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Start Over You searched for: Author Plant Industry, Soils, and Agricultural Engineering Bureau Remove constraint Author: Plant Industry, Soils, and Agricultural Engineering Bureau Catalog Issue Year Decade 1940 - 1949 Remove constraint Catalog Issue Year Decade: 1940 - 1949

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137. Seeds. Studies on vegetable seed treatments in 1944.

139. Alfalfa varieties in United States, [by H. L. Westover; revised by H. M. Tysdal].