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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": "Hymn to Old Age",
  "subtitle": null,
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  "url": "https://www.kolczanksiazek.pl/hermann-hesse/en/hymn-to-old-age",
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      "name": "Hermann Hesse",
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  "original_title": "Mit der Reife wird man immer jünger",
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      "heading": "Poezja współczesna i najnowsza (od ok. 1900 roku)"
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      "heading": "Poezja (autorzy indywidualni)"
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    {
      "code": "DNL",
      "heading": "Eseistyka literacka"
    },
    {
      "code": "DNT",
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  "cover": "https://quivercdn.com/covers/pushkin-press/hermann-hesse/hymn-to-old-age_978-19-0896-897-5.jpg?v=2026-06-14%2017%3A32%3A35",
  "description": "A single volume of the most beautiful texts by Herman Hesse including intimate memories of his final years. Hesse collected life sketches, poems, aphorisms and short essays dedicated to the ultimate challenge...",
  "editions": [
    {
      "title": "Hymn to Old Age",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/hermann-hesse/en/hymn-to-old-age/9781908968975",
      "publisher": "Pushkin Press",
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      "title": "Mit der Reife wird man immer jünger",
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    {
      "title": "Eloge de la vieillesse",
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      "url": "https://www.kolczanksiazek.pl/hermann-hesse/fr/eloge-de-la-vieillesse"
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    {
      "title": "Im dojrzalsi, tym młodsi. Refleksje i wiersze o starości",
      "language": "pl_PL",
      "url": "https://www.kolczanksiazek.pl/hermann-hesse/im-dojrzalsi-tym-mlodsi-refleksje-i-wiersze-o-starosci"
    },
    {
      "title": "Com a maturidade fica-se mais jovem",
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      "url": "https://www.kolczanksiazek.pl/hermann-hesse/pt/com-a-maturidade-fica-se-mais-jovem"
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