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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": "The Wizards of Once",
  "subtitle": null,
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      "title": "El tiempo de los magos",
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      "url": "https://www.kolczanksiazek.pl/cressida-cowell/es/el-tiempo-de-los-magos"
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    {
      "title": "Jak upolować wiedźmę",
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    {
      "title": "No tempo dos feiticeiros",
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