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    "name": "Kołczan Książek",
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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": "El fin de la eternidad",
  "subtitle": null,
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  "description": "Un hito de las novelas sobre viajes temporales. En el siglo XXVII, la Tierra funda una organización llamada Eternidad, enviando sus emisarios al pasado y al futuro para abrir el comercio entre...",
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      "title": "The End of Eternity",
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      "url": "https://www.kolczanksiazek.pl/isaac-asimov/en/the-end-of-eternity"
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    {
      "title": "La fine dell’eternità",
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      "url": "https://www.kolczanksiazek.pl/isaac-asimov/it/la-fine-delleternita"
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    {
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    {
      "title": "O Fim da Eternidade",
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