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Start Over You searched for: Author Agricultural Research Administration Remove constraint Author: Agricultural Research Administration Publish Year Decade 1940 - 1949 Remove constraint Publish Year Decade: 1940 - 1949

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593. Trees. Propagation of trees and shrubs; [by Guy E. Yerkes].

594. Wheat midge in Pacific Northwest; by Max M. Reeher.

599. Insects. The more important insect records, June-Dec. 1945.

600. Elm. Dieback of elm; by Curtis May.