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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Little, Elbert L. (Elbert Luther), - Wadsworth, Frank H.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1964
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Little, Elbert L. (Elbert Luther), - Wadsworth, Frank H.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1964
    Holding Institution: MBLWHOI Library
  3. By: Little, Elbert L. (Elbert Luther), - Wadsworth, Frank H. - Woodbury, Roy O.
    Publication info: Rio Piedras, P.R, Institute of Tropical Forestry, 1976
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Wadsworth, Frank H. - Pearson, G. A. (Gustaf Adolph),
    Publication info: Tucson, Ariz, Southwestern Forest and Range Experiment Station, 1943
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Wadsworth, Frank H.
    Publication info: Institute of Tropical Forestry, Forest Service, U.S. Dept. of Agriculture, 1968
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library