Thesis (Ph. D.)--Columbia university, 1927.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/227403125 |
| Date | January 1926 |
| Creators | Quance, Frank M. Portnoy, Lawrence, |
| Publisher | New York : Teachers College, Columbia University, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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