Thesis--University of Pennsylvania. / Without thesis statement. Bibliography: p. 251-258.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609486577 |
Date | January 1950 |
Creators | Gregg, Davis W. |
Publisher | Philadelphia, University of Pennsylvania Press, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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