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  1. Common trees of Puerto Rico and the Virgin Islands / by Elbert L. Little, Jr., and Frank H. Wadsworth.
    By: Little, Elbert Luther, - Wadsworth, Frank H.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Forest Service,1964.
    Contributed by: MBLWHOI Library
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  2. Trees of the Caribbean National Forest, Puerto Rico /
    By: Little, Elbert Luther, - Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
    Publication info: Rio Piedras, P.R. :Institute of Tropical Forestry, Forest Service, U.S. Dept. of Agriculture,1976.
    Contributed by: Smithsonian Libraries
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