Thesis (Ph. D.)--University of Pennsylvania, 1922.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/300528639 |
| Date | January 1922 |
| Creators | Young, Donald, |
| Publisher | Philadelphia, Pa., Printed by Westbrook Pub. Co., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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