Thesis (Ph. D.)--University of Pennsylvania. / Xerox Edition. Bibliography: p. 157-160.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/649960870 |
| Date | January 1903 |
| Creators | Luetscher, George Daniel. |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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