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  1. By: United States. Agricultural Marketing Service. - McDonnell, C. C. - United States. Agricultural Marketing Service.
    Edition: Revised.
    Publication info: Washington, D.C, United States Dept. of Agriculture, Agricultural Marketing Service, [1941]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Federal Insecticide, Fungicide, and Rodenticide Ac  Flies  Government policy  Insecticides  Labeling  United States