The authors' Thesis (Ph. D.)--Ohio State University: Pratt, 1927; Nelson, 1928; Sun, 1928. / Autobiographies. Issued also as Ohio State University studies, Contributions in psychology, no. 10. This issue is identical except for different cover and the addition of the autobiographies. Bibliography: p. 213-234.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/564019802 |
| Date | January 1930 |
| Creators | Pratt, Karl Chapman, Nelson, Amalie Kraushaar, Sun, Kuo-hua, |
| Publisher | [Columbus, O.] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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