Thesis (Ph. D.)--Johns Hopkins University. / Vita. "Reprinted from the Journal of comparative psychology, vol. 1, no. 4, August, 1921." Bibliography: p. 362-363.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608688850 |
| Date | January 1921 |
| Creators | Norcross, Wilbur Harrington, |
| Publisher | [Baltimore] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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