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  1. By: Yeomans, A. H. (Alfred Henry), - United States. Entomology Research Division.
    Publication info: [Beltsville, Md.?], U.S. Dept. of Agriculture, Agricultural Research Service, 1960
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Yeomans, A. H. (Alfred Henry), - United States. Entomology Research Division.
    Publication info: [Beltsville, Md.?], U.S. Dept. of Agriculture, Agricultural Research Service, 1960
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library