Published also as Thesis (Ph. D.) Johns Hopkins University, 1914.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647668309 |
| Date | January 1916 |
| Creators | Donaldson, John, |
| Publisher | Baltimore, Johns Hopkins Press, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Maryland Maryland |
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