{
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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": "Rolf Dobelli",
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    {
      "title": "Sztuka jasnego myślenia",
      "subtitle": null,
      "slug": "sztuka-jasnego-myslenia",
      "url": "https://www.kolczanksiazek.pl/rolf-dobelli/sztuka-jasnego-myslenia",
      "first_published": "2026-01-01",
      "series": null
    },
    {
      "title": "Sztuka dobrego życia. 52 zaskakujące drogi do szczęścia",
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      "slug": "sztuka-dobrego-zycia-52-zaskakujace-drogi-do-szczescia",
      "url": "https://www.kolczanksiazek.pl/rolf-dobelli/sztuka-dobrego-zycia-52-zaskakujace-drogi-do-szczescia",
      "first_published": "2018-12-18",
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    {
      "title": "The Art of Thinking Clearly",
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      "first_published": "2013-05-14",
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    {
      "title": "Die Kunst des klugen Handelns. 52 Irrwege, die Sie besser anderen überlassen",
      "subtitle": null,
      "slug": "die-kunst-des-klugen-handelns-52-irrwege-die-sie-besser-anderen-uberlassen",
      "url": "https://www.kolczanksiazek.pl/rolf-dobelli/die-kunst-des-klugen-handelns-52-irrwege-die-sie-besser-anderen-uberlassen",
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}