Thesis (Ph. D.)--University of Pennsylvania, 1939. / Bibliography: p. 227-242.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/614544218 |
Date | January 1939 |
Creators | Irwin, Leonard Bertram, |
Publisher | Philadelphia, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
Coverage | Northwest, Canadian. |
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