{
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  "title": "Black Jack",
  "subtitle": null,
  "url": "https://www.bookquiver.com/john-frederick-margrave-of-brandenburg-ansbach/black-jack/9789357277938",
  "publisher": "Double 9 Books LLP",
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  "isbn": "978-93-5727-793-8",
  "pages": 229,
  "published": "2023-01-01",
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  "authors": [
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      "name": "John Frederick, Margrave of Brandenburg-Ansbach",
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