 | Herrmann, Louis F. (Louis Ferdinand), 1910- 4n | (1) |
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 | Herrmann, Louis F. (Louis Ferdinand), 1910- 4n; Changes in agricultural production in Brazil, 1947-65 / by Louis F. Herrmann. Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1972. | |
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