Issued also as Thesis (Ph. D.)--University of Pennsylvania. / Bibliography: p. 95-102.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/570342141 |
| Date | January 1934 |
| Creators | Ferguson, Walter D. |
| Publisher | Philadelphia, London, University of Pennsylvania Press; H. Milford, Oxford University Press, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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