Thesis (Ph. D.)--Columbia University, 1940. / Vita. Bibliography: p. [19].
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609595834 |
Date | January 1940 |
Creators | De Gray, Richard John, |
Publisher | New York City, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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