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  1. By: Ball, W. W. Rouse (Walter William Rouse),
    Edition: 10th ed.
    Publication info: London,Macmillan,1922.
    Holding Institution: Cornell University Library
    Subjects: Bees  Ciphers  Cryptography  Famous problems  Geometry  Magic squares  Mathematical recreations  String figures  
  2. By: Smith, William, Revd. Mr.
    Publication info: Cambridge [England] :Printed by J. Bentham :1745.
    Holding Institution: Princeton Theological Seminary Library (archive.org)
    Subjects: Ciphers  Natural history  West Indies