Thesis (Ph. D.)--University of Pennsylvania, 1916. / Bibliography: p. 48-49.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/578754438 |
| Date | January 1917 |
| Creators | Heffner, Edward Hoch, |
| Publisher | Philadelphia, Pa., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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