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Activities of the elementary school principal for the improvement of instruction the kind of supervisory program which a city superintendent of schools should set up for his elementary school principals,

Thesis (Ph. D.)--Columbia University, 1927. / Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 274. Bibliography: p. 93-102.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/580280079
Date January 1927
CreatorsDyer, William Penn,
PublisherNew York city, Teachers college, Columbia University,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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