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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": "The Kreutzer Sonata",
  "subtitle": null,
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  "url": "https://www.kolczanksiazek.pl/leo-tolstoy/en/the-kreutzer-sonata",
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  "authors": [
    {
      "name": "Lev Tolstoi",
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  "original_title": "Крейцерова соната",
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  "description": "Pozdnyshev and his wife have a turbulent relationship. When her beauty blossoms after the birth of their children, men begin to flock around her, and he becomes increasingly jealous. Convinced his wife is betraying him with a young musician, his overpowering suspicion drives him to ever more dangerous lengths. United by the theme of love, the writings in the Great Loves series span over two thousand years and vastly different worlds. Readers will be introduced to love’s endlessly fascinating possibilities and extremities: romantic love, platonic love, erotic love, gay love, virginal love, adulterous love, parental love, filial love, nostalgic love, unrequited love, illicit love, not to mention lost love, twisted and obsessional love….",
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      "title": "The Kreutzer Sonata",
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    {
      "title": "The Kreutzer Sonata",
      "subtitle": null,
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      "title": "Die Kreutzersonate",
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      "url": "https://www.kolczanksiazek.pl/lew-nikolajewitsch-tolstoi/de/die-kreutzersonate"
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    {
      "title": "Η σονάτα του Κρόιτσερ",
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    {
      "title": "Sonata a Kreutzer",
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      "url": "https://www.kolczanksiazek.pl/liev-n-tolstoi/es/sonata-a-kreutzer"
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    {
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      "language": "it_IT",
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    {
      "title": "A Sonata de Kreutzer",
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