Washington D. C., Government Printing Office, 1905 ; 147 x 231 mm, 8 pp. + 3 pl. hors-texte, doubles-feuilles et feuille agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 90, Part II. November 17, 1905. Bon état.
Washington D. C., Government Printing Office, 1908 ; 147 x 230 mm, 8 pp., doubles-feuilles agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 131, Part III. March 16, 1908. Bon état.
Washington D. C., Government Printing Office, 1908 ; 150 x 233 mm, 16 pp., doubles-feuilles agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Circular No. 3. May 11, 1908. Bon état.