Thesis (Ph. D.)--Columbia University, 1941. / Published also without thesis note. Vita. eContent provider-neutral record in process. Description based on print version record. Bibliography: p. [211]-231.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/581442643 |
| Date | January 1941 |
| Creators | Zahler, Helene Sara, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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