Thesis (PH. D.)--Columbia university, 1932. / Vita. "References": p. 31.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/649992840 |
| Date | January 1932 |
| Creators | Chapman, Ray Parkin, |
| Publisher | New York city, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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