Thesis (Ph. D.)--University of Pennsylvania, 1940. / Bibliography: p. [133]-139.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/600576693 |
| Date | January 1942 |
| Creators | Cowherd, Raymond Gibson, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Great Britain Great Britain |
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