Thesis (Ph. D.)--University of Pennsylvania, 1941. / "Printed in Canada." Bibliography; p. [89]-92.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/582001209 |
| Date | January 1941 |
| Creators | Garrett, Helen Thompson, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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