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  1. Native American species of Prunus /
    By: Wight, W. F.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  2. The varieties of plums derived from native American species /
    By: Wight, W. F.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  3. The varieties of plums derived from native American species / by W.F. Wight.
    By: Wight, W. F.
    Publication info: Washington :G.P.O.,1915.
    Contributed by: Earth Sciences - University of Toronto (archive.org)
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