Thesis--University of Pennsylvania, 1923. / Includes bibliographical references and index.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609875270 |
| Date | January 1923 |
| Creators | Holzknecht, Karl Julius. |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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