Thesis (Ph. D.)--Columbia University, 1929. / Cover title. Vita. "Offprinted from the May, 1929, vol. xx, no. v, Journal of educational psychology."
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/578606647 |
| Date | January 1900 |
| Creators | Washburne, John Noble, |
| Publisher | [Baltimore, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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