Thesis (Ph. D.)--University of Iowa, 1920. / Published also in Iowa economic history series. "Notes and references": p. 383-430.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/555139435 |
| Date | January 1922 |
| Creators | Preston, Howard Hall. |
| Publisher | Iowa City, Ia., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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