 | Edwards, Clark, 1925- 1n | (2) |
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 | Edwards, Clark, 1925- 1n; Regional variations in economic growth and development : with emphasis on rural areas / . Washington, D.C. : U.S. Dept. of Agriculture, Economic Research Service, 1971. | |
| Edwards, Clark, 1925- 1n; Rural-urban population, income, and employment : a simulation of alternative futures / . Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1971. | |
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