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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bulger, Raymond O. - Richardson, John L. - United States. Bureau of Plant Industry. Office of Cereal Crops and Diseases.
    Publication info: [Washington, D.C.], [United States Department of Agriculture, Bureau of Plant Industry, Office of Cereal Crops and Diseases], [1928?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library