 | Cotton Diseases and pests. | (2) |
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 | Distribution of insect pests in cottonfields / Fye, R. E. (Robert Eaton), 1924- 1n Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1969. | |
| Rearing cotton insect parasites in the laboratory / . Bryan, Douglas E. (Douglas Everett), 1917- 4n Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with University of Arizona Agricultural Experiment Station, 1969. | |
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