{
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    "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": "John Henry Newman",
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      "title": "Kazania",
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      "first_published": "2026-07-03",
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      "title": "Sumienie chrześcijańskie",
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      "first_published": "2023-02-02",
      "series": null
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    {
      "title": "Pewność wiary",
      "subtitle": null,
      "slug": "pewnosc-wiary",
      "url": "https://www.kolczanksiazek.pl/john-henry-newman/pewnosc-wiary",
      "first_published": "2022-01-01",
      "series": null
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    {
      "title": "Strata i zysk",
      "subtitle": null,
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      "url": "https://www.kolczanksiazek.pl/john-henry-newman/strata-i-zysk",
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    {
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    {
      "title": "O krok bliżej... Medytacje",
      "subtitle": null,
      "slug": "o-krok-blizej-medytacje",
      "url": "https://www.kolczanksiazek.pl/john-henry-newman/o-krok-blizej-medytacje",
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    {
      "title": "O wyższości katolicyzmu",
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    {
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    {
      "title": "Kazania. Wybór",
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      "series": null
    },
    {
      "title": "Kazania uniwersyteckie",
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      "url": "https://www.kolczanksiazek.pl/john-henry-newman/kazania-uniwersyteckie",
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}