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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Phin, John,
    Edition: 3d ed., greatly enl
    Publication info: New York, D. Van Nostrand company, 1912
    Holding Institution: University of California Libraries
    Subjects: Famous problems  Geometry  Popular works  Science  Scientific recreations  
  2. 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