Thesis (Ph. D.)--University of Pennsylvania, 1942. / Bibliography: p. 138-140.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/591162673 |
Date | January 1945 |
Creators | Gray, William Herbert, |
Publisher | Philadelphia, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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