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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Academy of Natural Sciences of Philadelphia. Entomological Section - American Entomological Society.
    Publication info: [Philadelphia], American Entomological Society, 1925-
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Academy of Natural Sciences of Philadelphia. Entomological Section - American Entomological Society.
    Publication info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
    Holding Institution: Multiple institutions
  3. By: Academy of Natural Sciences of Philadelphia. Entomological Section - American Entomological Society.
    Publication info: Philadelphia, The Society, 1878-1889
    Holding Institution: Smithsonian Libraries and Archives