Thesis (Ph. D.)--Columbia University, 1930. / Vita. "Reprinted from Archives of psychology ... no. 115." Bibliography: p. 62-64.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/598351211 |
| Date | January 1930 |
| Creators | Davis, Roland C. |
| Publisher | New York, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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