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  "name": "Piotr Derdej",
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      "title": "Kamieniec podolski 12-26 viii 1672",
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      "url": "https://www.kolczanksiazek.pl/piotr-derdej/kamieniec-podolski-12-26-viii-1672",
      "first_published": "2025-01-01",
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      "title": "Brześć 1939",
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      "first_published": "2013-01-01",
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      "title": "Kamieniec Podolski 1672",
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}