Part of Thesis (Ph. D.)--University of Chicago, 1938. / Various pagings. Reproduced from type-written copy. "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois."
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/581312841 |
| Date | January 1940 |
| Creators | De Boer, John James, |
| Publisher | [Chicago] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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