Little, Elbert L. second volume / by Elbert L. Little, Roy O. Woodbury and Frank H. Wadsworth. - Washington, D.C. : U.S. Department of Agriculture, 1974. - xiv, 1024 p. : ill. ; 27 cm. - Agriculture handbook ; no. 449 . Subjects--Topical Terms: Trees--Puerto Rico.Trees--Virgin Islands.