Thesis (Ph. D.)--Columbia University, 1923. / Vita. "References" at end of each chapter except the last.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/578545817 |
| Date | January 1923 |
| Creators | Leonard, Robert J. |
| Publisher | Berkeley, Calif., University of California, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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