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  1. By: Young, H. C. (Harry Curtis), - App, Bernard Auman, - United States. Office of Experiment Stations.
    Publication info: Washington, U.S. Dept. of Agriculture, 1939
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
  2. By: Woodrow, A. W. - App, Bernard Auman, - United States. Office of Experiment Stations.
    Publication info: [Washington, D.C.], [U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine], [1950]
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature