Thesis (Ph. D.)--University of Pennsylvania, 1930. / Published also as U.S. Department of the interior, Office of education, Bulletin, 1931, no. 10. Bibliography. p. 153-155.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/590966042 |
| Date | January 1931 |
| Creators | Kunzig, Robert Weiss. |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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