Thesis (Ph. D.)--Columbia University, 1930. / Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 418.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/300962048 |
Date | January 1930 |
Creators | Robinson, Clara L. |
Publisher | New York city, Teachers college, Columbia University, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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