Thesis (Ph. D.)--Columbia University, 1930. / Vita. Published also as Teachers college, Columbia university, Conitributions to education, no. 409. Bibliography: p. 160-163.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/601058932 |
Date | January 1930 |
Creators | Blom, Edward Charles, |
Publisher | New York city, Teachers college, Columbia University, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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