The author's Thesis (Ph. D.)--University of Pennsylvania, 1912. / Slip with printed thesis note inserted before the title-page. Bibliography: p. [xiii]-xiv.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/576256489 |
| Date | January 1915 |
| Creators | Schaeffer, Henry, |
| Publisher | New Haven, Yale University Press; [etc.] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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