Originally presented as author's Thesis (Ph. D.)--University of Minnesota, 1949. / Includes bibliographical references (p. 125-128).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608484493 |
| Date | January 1900 |
| Creators | Davis, John Herbert, |
| Publisher | Washington, D.C. : American Institute of Cooperation, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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