Thesis (Ph. D.)--University of Pennsylvania, 1911.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/573748093 |
Date | January 1900 |
Creators | Heffner, William Clinton, |
Publisher | Cleona, Pa., Holzapfel Pub. Co. |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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