"This study originated as a master's thesis ... University of Chicago, written in 1938-39 ... Two years later it was completely revised, expanded, and brought up to date for publication."--Pref.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/582481411 |
| Date | January 1942 |
| Creators | Lowell, Mildred Hawksworth. |
| Publisher | Eugene, Oregon State system of higher education, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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