Thesis--University of Pennsylvania. / Published also without thesis statement. Bibliography: p. 132-135.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/557675403 |
Date | January 1949 |
Creators | Shirk, Samuel Blaine, |
Publisher | Philadelphia, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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