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Investigations in the hygiene of reading,

Thesis (Ph. D.)--Northwestern university, 1923. / A study of 312 elementary school' readers published since 1860 for the purpose of determining what has been the trend of their typography. cf. p. 25. Bibliography: p. 62-63.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/648032601
Date January 1900
CreatorsBlackhurst, James Herbert.
Publisher[York, Pa., The Maple press Co.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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