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