Thesis (Ph. D.)--University of Pennsylvania, 1939. / At head of title: University of Pennsylvania. Bibliography: p. 129-130.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/649920299 |
| Date | January 1939 |
| Creators | Mitchell, Robert Baker, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
Page generated in 0.0014 seconds