 | Crecink, John Calvin, 1921- 2n | (1) |
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 | Crecink, John Calvin, 1921- 2n; Human resources in the rural Mississippi Delta : with emphasis on the poor / . Washington, D.C. : U.S. Dept. of Agriculture, Economic Research Service, Mississippi Agricultural Experiment Station, Southern University and Agricultural and Mechanical College, 1970. | |
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