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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Webb, J. L. (Jesse Lee), - United States. Bureau of Entomology. - WRC (Radio station : Washington, D.C.)
    Publication info: [Washington, D.C.], [United States Department of Agriculture], Bureau of Entomology, [1930]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Flies  Manure handling  Radio scripts  United States