GET /kore/v1/principal/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                        ],
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                                "founder": {
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                                    "type": "yksityinen",
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                                "id": 1483,
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                                "id": 1484,
                                "principal": {
                                    "url": "https://api.hel.fi/kore/v1/principal/1201/?format=api",
                                    "id": 1201,
                                    "surname": "Rautiainen",
                                    "first_name": "Petrus Thomae"
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                                "begin_day": null,
                                "begin_month": null,
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                                "end_day": null,
                                "end_month": null,
                                "end_year": 1564,
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                                "approx_begin": false,
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                            {
                                "id": 1485,
                                "principal": {
                                    "url": "https://api.hel.fi/kore/v1/principal/1202/?format=api",
                                    "id": 1202,
                                    "surname": "Laurentii",
                                    "first_name": "Simon"
                                },
                                "begin_day": null,
                                "begin_month": null,
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                                "end_day": null,
                                "end_month": null,
                                "end_year": 1580,
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                                    "name": "arkistoaineisto"
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                                "location": "Tuntematon",
                                "begin_year": 1551,
                                "end_year": 1640,
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                                "school": 576,
                                "name": 883
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                        ],
                        "lifecycle_event": [
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                                "description": "koulun lopettaminen",
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                            },
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                                "description": "koulun siirtyminen toiseen kuntaan",
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                                "year": 1600,
                                "decisionmaker": null,
                                "additional_info": "Siirtyi Turkuun. Palasi 1607."
                            },
                            {
                                "description": "koulun perustaminen",
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            "id": 948,
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            "first_name": "Nina Maria",
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                {
                    "id": 1175,
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                                "official_name": "Alempi kansakoulu N:o 8",
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                        ],
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                        ],
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                                    "name": "kansakoulu",
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                            {
                                "id": 828,
                                "type": {
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                                    "name": "alakansakoulu",
                                    "description": "1867-1958 Kansakoulun kaksi ensimmäistä vuosiluokkaa, jossa annettiin alkeisopetusta. Vuodesta 1958 peruskoulu-uudistukseen 1977 asti kansakoulu oli yhtenäinen, eikä sitä enää jaettu ala- ja yläkansakouluun."
                                },
                                "begin_day": 1,
                                "begin_month": 9,
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                                "end_day": null,
                                "end_month": null,
                                "end_year": 1902,
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                        "fields": [],
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                                "gender": "tyttö- ja poikakoulu",
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                                "end_month": null,
                                "end_year": 1902,
                                "reference": null,
                                "approx_begin": false,
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                        "grade_counts": [
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                                "building": {
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                                            "street_name_sv": "Lappviksgatan 6",
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                                            "comment": null,
                                            "approx_begin": false,
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                                    "architect": "Theodor Decker",
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                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Lapinlahden kansakoulu",
                                    "reference": null,
                                    "approx": false,
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                                            "owner": {
                                                "id": 1,
                                                "type": "kunta",
                                                "name": "Helsingin kaupunki"
                                            },
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1896,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
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                                                "type": "yhdistys",
                                                "name": "Fruntimmersföreningen"
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                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1867,
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                                            "end_month": null,
                                            "end_year": 1896,
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                                    "name": "Helsingin kaupunki"
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                                    "surname": "Colliander",
                                    "first_name": "Charlotta Elisabeth"
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                                    "surname": "Backman",
                                    "first_name": "Johanna Helena"
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                                "begin_month": 1,
                                "begin_year": 1870,
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                                    "id": 946,
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                                "end_month": null,
                                "end_year": 1872,
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                                "approx_begin": false,
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                            {
                                "id": 1171,
                                "principal": {
                                    "url": "https://api.hel.fi/kore/v1/principal/931/?format=api",
                                    "id": 931,
                                    "surname": "Molander",
                                    "first_name": "Ida Sofia"
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                                "begin_day": null,
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                                "begin_year": 1872,
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                                "end_month": null,
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                                "approx_begin": false,
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                                    "id": 923,
                                    "surname": "Törmälä",
                                    "first_name": "C. W."
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                                "begin_day": null,
                                "begin_month": 11,
                                "begin_year": 1875,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1876,
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                                    "id": 582,
                                    "surname": "Genetz",
                                    "first_name": "Hilma Maria Fredrika"
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                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1876,
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                                "approx_begin": false,
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                                    "surname": "Kärnä",
                                    "first_name": "Nina Maria"
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                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1883,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1886,
                                "reference": null,
                                "approx_begin": false,
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                                "school": 464
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                            {
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                                    "id": 949,
                                    "surname": "Salo",
                                    "first_name": "Ida Sofia"
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                                "begin_day": null,
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                                "begin_year": 1886,
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                                "location": "Tuntematon",
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                                "description": "koulun perustaminen",
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                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": 31,
                                "end_month": 7,
                                "end_year": 1977,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 175,
                                "type": {
                                    "id": 2,
                                    "name": "alakansakoulu",
                                    "description": "1867-1958 Kansakoulun kaksi ensimmäistä vuosiluokkaa, jossa annettiin alkeisopetusta. Vuodesta 1958 peruskoulu-uudistukseen 1977 asti kansakoulu oli yhtenäinen, eikä sitä enää jaettu ala- ja yläkansakouluun."
                                },
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1958,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 176,
                                "type": {
                                    "id": 3,
                                    "name": "yläkansakoulu",
                                    "description": "1869-1958, 4 lk. Kansakoulun 3. - 6. luokka joissa annettiin yleisivistävää opetusta. Vuodesta 1921 lähtien yläkansakoulussa annettiin oppivelvollisuusopetusta. Vuonna 1958 erillisistä ylä- ja alakansakouluista muodostettiin yhtenäisiä kansakouluja."
                                },
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1958,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 177,
                                "type": {
                                    "id": 4,
                                    "name": "kansalaiskoulu",
                                    "description": "1958-1977 2lk, kansakoulun jälkeinen koulu, jossa keskityttiin ammatilliseen esivalmennukseen ja asuinseudun elinkeinoelämään tutustumiseen. Aiemmin tehtävää hoitivat jatkokoulut. Peruskoulu-uudistuksessa kansalaiskoulut muutettiin yläasteiksi."
                                },
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1958,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1961,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 178,
                                "type": {
                                    "id": 8,
                                    "name": "ala-aste",
                                    "description": "1977-1999 Peruskoulun 1-6 vuosiluokka. 1999 lähtien peruskoulussa ei ole ollut jakoa ala- ja yläasteeseen. Vuodesta 1999 lähtien virallinen termi on ollut alakoulu, mutta myös muotoa peruskoulun ala-asteen koulu käytetään."
                                },
                                "begin_day": 1,
                                "begin_month": 8,
                                "begin_year": 1977,
                                "end_day": null,
                                "end_month": null,
                                "end_year": null,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 179,
                                "type": {
                                    "id": 13,
                                    "name": "jatkokoulu",
                                    "description": "1882-1958 2lk  Oppilaitos kansakoulun käyneille, jotka eivät jatkaneet opintojaan. Vuoden 1921 oppivelvollisuuslaista lähtien pakollinen. Opetus tähtäsi kansakoulukurssin syventämiseen sekä sisälsi käytännöllisammatillista opetusta. Ks. Kansalaiskoulu"
                                },
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1958,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            },
                            {
                                "id": 180,
                                "type": {
                                    "id": 16,
                                    "name": "apukoulu",
                                    "description": "1903-1970, Kansakoululaitoksen osana toimiva koulu, joka oli tarkoitettu oppilaille, jotka eivät  oppimisvaikeuksien tai erityisen tuen tarpeen vuoksi pärjänneet yleisessä kansakoulussa. Ks. Erityiskoulu."
                                },
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1956,
                                "end_day": 31,
                                "end_month": 7,
                                "end_year": 1977,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false,
                                "main_school": 76
                            }
                        ],
                        "fields": [],
                        "genders": [
                            {
                                "id": 224,
                                "gender": "tyttö- ja poikakoulu",
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": null,
                                "end_month": null,
                                "end_year": null,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false
                            }
                        ],
                        "grade_counts": [
                            {
                                "id": 256,
                                "number": 6,
                                "begin_day": 1,
                                "begin_month": 8,
                                "begin_year": 1977,
                                "end_day": null,
                                "end_month": null,
                                "end_year": null,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false
                            },
                            {
                                "id": 312,
                                "number": 8,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1961,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false
                            },
                            {
                                "id": 313,
                                "number": 6,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1961,
                                "end_day": 31,
                                "end_month": 7,
                                "end_year": 1977,
                                "reference": null,
                                "approx_begin": false,
                                "approx_end": false
                            }
                        ],
                        "buildings": [
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                                "url": "https://api.hel.fi/kore/v1/school_building/76-76/?format=api",
                                "id": "76-76",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/76/?format=api",
                                    "id": 76,
                                    "neighborhood": "Kruununhaka",
                                    "addresses": [
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                                            "id": 67,
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                                                "type": "Point"
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                                            "street_name_fi": "Snellmaninkatu 18",
                                            "street_name_sv": "Snellmansgatan 18",
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                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1928,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": "ent. Nikolainkatu 18",
                                            "approx_begin": false,
                                            "approx_end": false
                                        },
                                        {
                                            "id": 240,
                                            "location": {
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                                                "type": "Point"
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                                            "street_name_fi": "Nikolainkatu 18",
                                            "street_name_sv": "Nikolaigatan 18",
                                            "zip_code": null,
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1909,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": 1928,
                                            "comment": "nyk. Snellmaninkatu 18",
                                            "approx_begin": false,
                                            "approx_end": false
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                                    ],
                                    "construction_year": 1899,
                                    "architect": "Onni Tarjanne",
                                    "architect_firm": null,
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Kruununhaan ylä-aste, folkskola",
                                    "reference": "Opintiellä",
                                    "approx": false,
                                    "owners": [
                                        {
                                            "id": 73,
                                            "owner": {
                                                "id": 1,
                                                "type": "kunta",
                                                "name": "Helsingin kaupunki"
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                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1899,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
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                                    ],
                                    "photos": [
                                        {
                                            "id": 22,
                                            "url": "https://hkm.finna.fi/Cover/Show?id=hkm.HKMS000005%3A00000st6&w=1200&h=1200",
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                                        }
                                    ]
                                },
                                "photos": [],
                                "approx_begin": false,
                                "approx_end": false,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1899,
                                "end_day": 31,
                                "end_month": 7,
                                "end_year": 1980,
                                "ownership": true,
                                "reference": "Kvsto 14.5.1980"
                            },
                            {
                                "url": "https://api.hel.fi/kore/v1/school_building/76-107/?format=api",
                                "id": "76-107",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/107/?format=api",
                                    "id": 107,
                                    "neighborhood": "Etu-Töölö",
                                    "addresses": [
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                                            "id": 96,
                                            "location": {
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                                                "type": "Point"
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                                            "street_name_fi": "Apollonkatu 12",
                                            "street_name_sv": "Apollogatan 12",
                                            "zip_code": "00100",
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1906,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        },
                                        {
                                            "id": 537,
                                            "location": {
                                                "coordinates": [
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                                                "type": "Point"
                                            },
                                            "street_name_fi": "Minervankatu 3",
                                            "street_name_sv": "Minervagatan 3",
                                            "zip_code": "00100",
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1906,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "construction_year": 1929,
                                    "architect": "Eva Kuhlefelt-Ekelund",
                                    "architect_firm": null,
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Privata svenska flickskolan, Minervaskolan",
                                    "reference": "Opintiellä",
                                    "approx": false,
                                    "owners": [
                                        {
                                            "id": 100,
                                            "owner": {
                                                "id": 1,
                                                "type": "kunta",
                                                "name": "Helsingin kaupunki"
                                            },
                                            "begin_day": 1,
                                            "begin_month": 8,
                                            "begin_year": 1977,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        },
                                        {
                                            "id": 101,
                                            "owner": {
                                                "id": 120,
                                                "type": "säätiö",
                                                "name": "Stiftelsen Pro Juventure Nostra"
                                            },
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1929,
                                            "end_day": 31,
                                            "end_month": 7,
                                            "end_year": 1977,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "photos": [
                                        {
                                            "id": 180,
                                            "url": "https://hkm.finna.fi/Cover/Show?id=hkm.HKMS000005%3A00000vpx&w=1200&h=1200",
                                            "is_front": true
                                        }
                                    ]
                                },
                                "photos": [],
                                "approx_begin": false,
                                "approx_end": false,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1948,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1949,
                                "ownership": false,
                                "reference": null
                            },
                            {
                                "url": "https://api.hel.fi/kore/v1/school_building/76-252/?format=api",
                                "id": "76-252",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/252/?format=api",
                                    "id": 252,
                                    "neighborhood": "Punavuori",
                                    "addresses": [
                                        {
                                            "id": 322,
                                            "location": {
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                                                "type": "Point"
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                                            "street_name_fi": "Fredrikinkatu 22",
                                            "street_name_sv": "Fredriksgatan 22",
                                            "zip_code": "00100",
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1836,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "construction_year": 1904,
                                    "architect": null,
                                    "architect_firm": "Grahn, Hedman & Wasastjerna",
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Kruununhaan kk:n vuokrat. 1916-1917",
                                    "reference": null,
                                    "approx": false,
                                    "owners": [
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                                            "id": 240,
                                            "owner": {
                                                "id": 135,
                                                "type": "yksityinen",
                                                "name": "W. W. Bab"
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                                            "begin_day": 11,
                                            "begin_month": 4,
                                            "begin_year": 1904,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "photos": []
                                },
                                "photos": [],
                                "approx_begin": false,
                                "approx_end": false,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1916,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1917,
                                "ownership": false,
                                "reference": null
                            },
                            {
                                "url": "https://api.hel.fi/kore/v1/school_building/76-253/?format=api",
                                "id": "76-253",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/253/?format=api",
                                    "id": 253,
                                    "neighborhood": "Kruununhaka",
                                    "addresses": [
                                        {
                                            "id": 323,
                                            "location": {
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                                                "type": "Point"
                                            },
                                            "street_name_fi": "Nikolainkatu 5",
                                            "street_name_sv": "Nikolaigatan 5",
                                            "zip_code": null,
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1909,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": 1928,
                                            "comment": "nyk. Snellmaninkatu 5",
                                            "approx_begin": false,
                                            "approx_end": false
                                        },
                                        {
                                            "id": 324,
                                            "location": {
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                                                "type": "Point"
                                            },
                                            "street_name_fi": "Snellmaninkatu 5",
                                            "street_name_sv": "Snellmansgatan 5",
                                            "zip_code": "00170",
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                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1928,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": "ent. Nikolainkatu 5",
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "construction_year": 1869,
                                    "architect": "C. A. Edelfelt",
                                    "architect_firm": null,
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "nyk. Helsingin yliopistomuseo",
                                    "reference": null,
                                    "approx": false,
                                    "owners": [
                                        {
                                            "id": 241,
                                            "owner": {
                                                "id": 83,
                                                "type": "muu",
                                                "name": "Helsingin yliopisto"
                                            },
                                            "begin_day": 9,
                                            "begin_month": 7,
                                            "begin_year": 1860,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "photos": []
                                },
                                "photos": [],
                                "approx_begin": false,
                                "approx_end": false,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1917,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1918,
                                "ownership": false,
                                "reference": null
                            },
                            {
                                "url": "https://api.hel.fi/kore/v1/school_building/76-254/?format=api",
                                "id": "76-254",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/254/?format=api",
                                    "id": 254,
                                    "neighborhood": "Kruununhaka",
                                    "addresses": [
                                        {
                                            "id": 325,
                                            "location": {
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                                                "type": "Point"
                                            },
                                            "street_name_fi": "Ritarikatu 5",
                                            "street_name_sv": "Riddaregatan 5",
                                            "zip_code": "00170",
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1909,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "construction_year": 1927,
                                    "architect": "Karl Hård af Segerstadt",
                                    "architect_firm": null,
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Laurellska skolan (?)",
                                    "reference": null,
                                    "approx": false,
                                    "owners": [
                                        {
                                            "id": 242,
                                            "owner": {
                                                "id": 137,
                                                "type": "osakeyhtiö",
                                                "name": "Laurellska Skolans Fastighetsaktiebolag"
                                            },
                                            "begin_day": 22,
                                            "begin_month": 1,
                                            "begin_year": 1923,
                                            "end_day": 8,
                                            "end_month": 9,
                                            "end_year": 1954,
                                            "reference": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "photos": [
                                        {
                                            "id": 25,
                                            "url": "https://hkm.finna.fi/Cover/Show?id=hkm.HKMS000005%3A000007u8&w=1200&h=1200",
                                            "is_front": true
                                        },
                                        {
                                            "id": 188,
                                            "url": "https://hkm.finna.fi/Search/Results?lookfor=koulu&type=AllFields&sort=relevance&page=85&view=list&limit=20&w=1200&h=1200",
                                            "is_front": true
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                                    ]
                                },
                                "photos": [
                                    {
                                        "id": 25,
                                        "url": "https://hkm.finna.fi/Cover/Show?id=hkm.HKMS000005%3A000007u8&w=1200&h=1200",
                                        "is_front": true
                                    }
                                ],
                                "approx_begin": false,
                                "approx_end": false,
                                "begin_day": null,
                                "begin_month": null,
                                "begin_year": 1947,
                                "end_day": null,
                                "end_month": null,
                                "end_year": 1950,
                                "ownership": false,
                                "reference": null
                            },
                            {
                                "url": "https://api.hel.fi/kore/v1/school_building/76-75/?format=api",
                                "id": "76-75",
                                "building": {
                                    "url": "https://api.hel.fi/kore/v1/building/75/?format=api",
                                    "id": 75,
                                    "neighborhood": "Kruununhaka",
                                    "addresses": [
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                                            "id": 66,
                                            "location": {
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                                                "type": "Point"
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                                            "street_name_fi": "Oikokatu 7",
                                            "street_name_sv": "Gengatan 7",
                                            "zip_code": "00170",
                                            "municipality_fi": "Helsinki",
                                            "municipality_sv": "Helsingfors",
                                            "begin_day": null,
                                            "begin_month": null,
                                            "begin_year": 1836,
                                            "end_day": null,
                                            "end_month": null,
                                            "end_year": null,
                                            "comment": null,
                                            "approx_begin": false,
                                            "approx_end": false
                                        }
                                    ],
                                    "construction_year": 1905,
                                    "architect": "Valter Jung, Emil Fabritius",
                                    "architect_firm": null,
                                    "property_number": null,
                                    "sliced": false,
                                    "comment": "Kronohagens lgs",
                                    "reference": "Opintielllä",
                                    "approx": false,
                                    "owners": [
                                        {
                                            "id": 72,
                                            "owner": {
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                                    "id": 575,
                                    "names": [
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                                            "id": 882,
                                            "official_name": "Rouvasväenyhdistyksen tyttöjen käsityökoulu",
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                    "approx_begin": false,
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        {
            "url": "https://api.hel.fi/kore/v1/principal/1290/?format=api",
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                                    "name": "Kaarlo Werkko"
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