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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Entomological Society of Canada (1863-1871) - Entomological Society of Canada (1951- ) - Entomological Society of Ontario.
    Publication info: Ottawa [etc.], Entomological Society of Canada [etc.],
    Holding Institution: Multiple institutions
  2. By: Entomological Society of Canada (1863-1871) - Entomological Society of Canada (1951- ) - Entomological Society of Ontario.
    Publication info: Ottawa [etc.], Entomological Society of Canada [etc.],
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  3. By: Sparks, Alton N., - Entomological Society of America - Entomological Society of Canada (1951- ) - United States. Agricultural Research Service.
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, Agricultural Research Service, [1986]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library