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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Entomological Society of Washington
    Publication info: Washington, etc, Entomological Society of Washington,
    Holding Institution: Multiple institutions
  2. By: Entomological Society of Washington
    Publication info: [Washington, D.C.], [Entomological Society of Washington], [1886-]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library