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 | How U.S. cotton is sold for export / by Guy A.W. Schilling. Schilling, Guy A. W. (Guy Albert Wilhelm), 1903- 4n Washington, D.C. : U.S. Dept. of Agriculture, Foreign Agricultural Service, 1972. | |
 | How U.S. cotton is sold for export / . Schilling, Guy A. W. (Guy Albert Wilhelm), 1903- 4n : U.S. Dept. of Agriculture, Foreign Agricultural Service, 1968. | |
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