Thesis--University of Pennsylvania. / Description based on print version record. Bibliography: leaves xi-xiv.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/613195911 |
| Date | January 1900 |
| Creators | Lefkovitz, David, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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