Thesis (Ph. D.)--University of Southern California. / At head of title: University of Southern California.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/575105671 |
| Date | January 1938 |
| Creators | Bedford, James H. |
| Publisher | Los Angeles, Society for Occupational Research, University of California Station, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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