Thesis (Ph. D.)--University of Pennsylvania, 1942. / Reproduced from type-written copy. "References" at end of chapters II-Iv.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/599119797 |
Date | January 1944 |
Creators | Portnoy, Alfhild Vold, |
Publisher | Philadelphia, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
Coverage | Pennsylvania |
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