Thesis (Ph. D.)--University of Pennsylvania, 1917. / Bibliography: p. 70-[72].
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/259984517 |
| Date | January 1916 |
| Creators | Riegel, Robert, |
| Publisher | [New York] Chronicle Co., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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