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    "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.",
  "title": "Poesia de Alberto Caeiro",
  "subtitle": null,
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  "markdown": "https://www.kolczanksiazek.pl/fernando-pessoa/pt/poesia-de-alberto-caeiro.md",
  "authors": [
    {
      "name": "Fernando Pessoa",
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      "heading": "Proza literacka"
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  "description": "Quarta edição, corrigida, da poesia de Alberto Caeiro, com base nas últimas investigações do espólio de Fernando Pessoa. Edição de Richard Zenith e Fernando Cabral Martins.",
  "editions": [
    {
      "title": "Poesia de Alberto Caeiro",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/fernando-pessoa/pt/poesia-de-alberto-caeiro/9789723725056",
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      "publisher_series": [],
      "translators": [],
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      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-97-2372-505-6",
      "pages": 296,
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      "title": "Alberto Caeiro",
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      "url": "https://www.kolczanksiazek.pl/fernando-pessoa/de/alberto-caeiro"
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    {
      "title": "Poesia de Alberto Caeiro",
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      "url": "https://www.kolczanksiazek.pl/fernando-pessoa/es/poesia-de-alberto-caeiro"
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    {
      "title": "Poezje zebrane: Alberto Caeiro",
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