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  1. By: Busbey, Ruth L. (Ruth Lawless), - United States. Office of Experiment Stations.
    Publication info: [Washington, D.C.], [U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine], [1939]
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Bibliography  Biological control  Insect pests  Quassia  
    BHL Collections: Expanding Access to Biodiversity Literature