Thesis (Ph. D.)--Columbia University, 1931. / Vita. Published also without thesis note. Bibliography: p. 281-288.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/557855471 |
| Date | January 1930 |
| Creators | Clark, Roy Benjamin, |
| Publisher | New York, Columbia University, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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