Thesis (Ph. D.)--University of Minnesota, 1922. / Includes bibliographical references (leaves 53-56).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/622154923 |
| Date | January 1922 |
| Creators | Leach, J. G. |
| Publisher | Minneapolis, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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