Thesis (Ph. D.)--Clark University, 1916. / "Reprinted from the American journal of psychology, April, 1921, vol. XXXII." "From the Psychological laboratory of Clark University."
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/276292949 |
| Date | January 1921 |
| Creators | O'Brien, Francis John. |
| Publisher | [Worcester, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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