Increasing your mental efficiency,

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Bibliographic Details
Author / Creator:Williams, Edward Huntington, 1868-1944
Imprint:New York, Hearst's international library co., 1914.
Description:4 p. l., 7-242 p. ill., plates.
Language:English
Subject:
Format: Print Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/3267041
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Notes:Microfilmed for preservation
committed to retain 20170930 20421213 HathiTrust