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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Sanders, James Glossbrenner, - United States. Bureau of Entomology. - United States. Department of Agriculture.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Euonymus scale  Scale insects  
  2. By: United States. Bureau of Entomology. - United States. Bureau of Entomology and Plant Quarantine.
    Edition: Rev. Nov. 22, 1950.
    Publication info: Washington, D.C, U.S. Department of Agriculture, Bureau of Entomology, 1950
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Diseases and pests  Euonymus scale  Scale insects  Shade trees  
  3. By: Middleton, William. - United States. Bureau of Entomology. - United States. Bureau of Entomology and Plant Quarantine.
    Publication info: Washington, D.C, U.S. Department of Agriculture, Bureau of Entomology, 1934
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Diseases and pests  Euonymus scale  Scale insects  Shade trees