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  1. By: Entomological Society of Ontario. - Entomological Society of Ontario. - Ontario. Department of Agriculture. - Ontario. Dept. of Agriculture
    Publication info: Toronto The Society
    Holding Institution: Multiple institutions
  2. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture
    Publication info: Toronto, Ontario Dept. of Agriculture, 1898
    Holding Institution: Multiple institutions
  3. By: Ontario. Dept. of Agriculture
    Publication info: Toronto, King's Printer,
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  4. By: Ontario. Dept. of Agriculture
    Publication info: Toronto, L.K. Cameron, printer, 1913
    Holding Institution: University of Toronto - Robarts Library