Thesis (Ph. D.)--Columbia University, 1939. / Vita. Published also without thesis note. "References cited in this study": p. 92-95.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/580922558 |
Date | January 1939 |
Creators | Engelhardt, N. L. |
Publisher | New York city, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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