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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Woodford, Edwin Kenneth. - University of Alberta. Department of Field Crops.
    Publication info: [1936]
    Holding Institution: University of Alberta Library
  2. By: Peto, Howard Broadhurst. - University of Alberta. Department of Field Crops.
    Publication info: [1937]
    Holding Institution: University of Alberta Library
  3. By: Bolton, J. L. (James Linden), - University of Alberta. Department of Field Crops.
    Publication info: [1936]
    Holding Institution: University of Alberta Library