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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Cole, Trevor J. - Canada. Agriculture Canada
    Publication info: Ottawa, Agriculture Canada, c1981
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  2. By: Cole, Trevor J. - Canada. Agriculture Canada
    Publication info: Ottawa, Agriculture Canada, 1981 (1986 printing)
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  3. By: Cole, Trevor J. - Canada. Agriculture Canada
    Publication info: [Ottawa], Agriculture Canada, c1983
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  4. By: Cole, Trevor J. - Canada. Agriculture Canada
    Publication info: Ottawa, Agriculture Canada, 1979 (1981 printing)
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)