Thesis (Ph. D.)--University of Pennsylvania, 1920.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/612726666 |
Date | January 1921 |
Creators | Rigg, Melvin Gillison, |
Publisher | Philadelphia, Pa. [Lancaster, Pa., Press of Intelligencer Print. Co.] |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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