Washington DC :Government Printing Office,1910. | Library of Congress

Washington, D.C.: U.S. Dept. of Agriculture, 1926.

n. p.,1926 | Library of Congress

Washington, D.C.: U.S. Dept. of Agriculture, Bureau of Plant Industry, 1908.

Washington,Gov't print. off.,1897. | Library of Congress

Washington, D.C.: U.S. Dept. of Agriculture, 1917.

Washington :U.S. G.P.O.,1913. | U.S. Department of Agriculture, National Agricultural Libr