Issued also as thesis PH. D)--Columbia University.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/463894010 |
| Date | January 1917 |
| Creators | Hoagland, Henry Elmer, |
| Publisher | New York, Columbia University; [etc.] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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