{
  "type": "author",
  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
  "name": "Jan K. Ostrowski",
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  "countries_count": 1,
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      "title": "Jan Jerzy Pinsel. Rzeźba Jan Jerzy Pinsel. Rzeźba",
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      "first_published": "2026-01-01",
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    {
      "title": "Mit Kenii, czyli swawola Białych",
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    {
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      "url": "https://www.kolczanksiazek.pl/jan-k-ostrowski/dwor-polski-w-starej-fotografii",
      "first_published": "2026-01-01",
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    {
      "title": "Silva rerum siciliana",
      "subtitle": null,
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      "first_published": "2025-01-01",
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    {
      "title": "Portret w dawnej Polsce",
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      "first_published": "2019-01-01",
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    {
      "title": "Pomiędzy powstaniem a emigracją",
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      "url": "https://www.kolczanksiazek.pl/jan-k-ostrowski/pomiedzy-powstaniem-a-emigracja",
      "first_published": "2019-01-01",
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    {
      "title": "Barok - romantyzm - kresy",
      "subtitle": null,
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    {
      "title": "WAWEL – ZAMEK I KATEDRA",
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    {
      "title": "Königliches Krakau",
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      "first_published": "2008-01-01",
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    {
      "title": "La Cracovia Reale",
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      "url": "https://www.kolczanksiazek.pl/jan-k-ostrowski/la-cracovia-reale",
      "first_published": "2005-01-01",
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    {
      "title": "Lwów. Dzieje i sztuka",
      "subtitle": null,
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      "title": "Królewski Kraków",
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      "series": null
    },
    {
      "title": "Kraków: 188 fotografii",
      "subtitle": null,
      "slug": "krakow-188-fotografii",
      "url": "https://www.kolczanksiazek.pl/jan-k-ostrowski/krakow-188-fotografii",
      "first_published": "1999-01-01",
      "series": null
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  ],
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}