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Opium poppy research in the Southwestern United States, 1945-66

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By: Gilbert, Norris W.

Publication info: Berkeley, U.S. Dept. of Agriculture, Agricultural Research Service, Western Region, 1977

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Report of plant exploration to Belgian Congo, Angola and South West Africa, January - May 1958

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By: Williams, Louis O. - Gilbert, Norris W.

Publication info: Beltsville, Md, USDA, ARS, Crops Research Division, New Crops Research Branch, 1958

Holding Institution: U.S. Department of Agriculture, National Agricultural Library