Thesis (Ph. D.)--University of Pennsylvania, 1942. / Printed also as a Kenan fellow study, University of North Carolina. cf. p. 5.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/557633558 |
| Date | January 1942 |
| Creators | Portnoy, Julius, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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