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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hood, Clifford E.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Collins, C. W. (Charles Walter), - Hood, Clifford E.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Pierce, W. Dwight (William Dwight), - Cushman, R. A. (Robert Asa), - Hood, Clifford E.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1912
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library