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  1. By: Ruck, J. A. - Canada. Department of Agriculture. Research Branch.
    Publication info: Ottawa, Canada Department of Agriculture, 1963
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  2. By: Canada. Department of Agriculture. Research Branch.
    Publication info: Ottawa, Queen's Printer, 1963
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  3. By: Canada. Department of Agriculture. Research Branch. - Andison, Harry.
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  4. By: Jacobson, L. A. - McDonald, H. - Canada. Department of Agriculture. Research Branch.
    Publication info: Ottawa, Canada Department of Agriculture, 1961
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  5. By: Cody, William J. - Canada. Department of Agriculture. Research Branch.
    Edition: Rev.
    Publication info: Ottawa, Research Branch, Dept. of Agriculture, 1978
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  6. By: Canada. Department of Agriculture. Entomology Research Institute - Canada. Department of Agriculture. Research Branch.
    Publication info: Ottawa,
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  7. By: Canada. Department of Agriculture. Research Branch. - Kilcher, M.R.
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  8. By: Harrison, Kenneth A. - Canada. Department of Agriculture. Research Branch.
    Publication info: Ottawa, Ont, Research Branch, Canada Dept. of Agriculture, 1961
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)