Thesis (Ph. D.)--University of Pennsylvania, 1923. / Includes bibliographical references (p. 168-172).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/574470648 |
| Date | January 1923 |
| Creators | Godshall, Wilson Leon, |
| Publisher | Philadelphia : [s.n.], |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Shandong Sheng (China) |
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