Little, Elbert L. Trees of Puerto Rico and the Virgin Islands : Second volume. Elbert L. Little. - Washington D.C., USA : U.S. Department of Agriculture, 1974. - 1024 p. : il. ; 26 cm. - Reclassified and reaccessed 10/2004 . Agriculture Handbook No, 449 Ingles ISBN: Normal Dewey Class. No.: 582.16729