Thesis (Ph. D.)--University of Chicago. / "This study ... emphasizes three groups of pursuits: transportation, commerce, and manufacturing."- Pref. Reproduced from typewritten copy. Bibliography: p. 203-215.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/581786064 |
| Date | January 1947 |
| Creators | Ballert, Albert George, |
| Publisher | Chicago [University of Chicago] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Toledo (Ohio) Toledo (Ohio) Toledo (Ohio) |
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