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The origins and development of elementary-school science

Thesis (Ph. D.)--Columbia University, 1941. / Published also without thesis note. Vita.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/577830272
Date January 1900
CreatorsUnderhill, Orra Ervin,
PublisherChicago, Atlanta, Scott, Foresman and Co.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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