Online Books by
Robert Irvin Coltrane
(Coltrane, Robert Irvin, 1932-)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Coltrane, Robert Irvin, 1932-: Changes in the regional balance of income and population in the United States, 1940-70 (Dept. of Agriculture, Economic Research Service, 1977), also by Herman Bluestone and United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)- Coltrane, Robert Irvin, 1932-: An economic survey of the Appalachian region, with special reference to agriculture (Economic Research Service, U.S. Dept. of Agriculture, 1965), also by E. L. Baum (page images at HathiTrust)
- Coltrane, Robert Irvin, 1932-: Hired farmworkers : background and trends for the eighties (U.S. Dept. of Agriculture, Economic Research Service, 1981), also by Leslie Whitener Smith and United States. Department of Agriculture. Economic Research Service (page images at HathiTrust)
- Coltrane, Robert Irvin, 1932-: Labor expenditures help determine farms affected by immigration reform (U.S. Dept. of Agriculture, Economic Research Service, 1989), also by James Duffield, Mitchell J. Morehart, and United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)
- Coltrane, Robert Irvin, 1932-: Regional variations in economic growth and development; with emphasis on rural areas (U.S. Dept. of Agriculture, Economic Research Service, 1971), also by Clark Edwards and Stan Daberkow (page images at HathiTrust)
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