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An analysis of age-progress curves as related to the mental growth curve a study of vocabulary,

Issued also as Thesis (Ph. D.)--Columbia University. / Bibliography: p. 36-37.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/602764601
Date January 1944
CreatorsHamlin, Roy Miller,
PublisherNew York,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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