The author's doctoral dissertation, Columbia University, 1925, but not published as a thesis. / At head of title: Department of commerce. Bureau of the census. Washington.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608700306 |
Date | January 1924 |
Creators | Thorp, Willard Long, |
Publisher | Washington, Govt. Print. Off., |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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