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  1. By: Briggs, Lyman J. (Lyman James), - Shantz, H. L. (Homer LeRoy), - United States. Department of Agriculture. - United States. Bureau of Plant Industry. - United States. Government Printing Office.
    Publication info: Washington, D.C, G.P.O, 1912
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Shantz, H. L. (Homer LeRoy), - United States. Bureau of Plant Industry.
    Publication info: Washington, U.S. G.P.O, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Shantz, H. L. (Homer LeRoy), - Zon, Raphaël, - United States. Department of Agriculture.
    Publication info: Washington [D.C.], Govt. Print. Off, 1924
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  4. By: United States. Department of Agriculture. - Shantz, H. L. (Homer LeRoy), - Briggs, Lyman J. (Lyman James), - United States. Bureau of Plant Industry.
    Publication info: Washington, U.S. G.P.O, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: United States. Department of Agriculture. - Shantz, H. L. (Homer LeRoy), - Briggs, Lyman J. (Lyman James), - United States. Bureau of Plant Industry.
    Publication info: Washington, U.S. G.P.O, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library