Washington, D.C.: U.S. Dept. of Agriculture, 1926.
Washington, D.C.: U.S. Dept. of Agriculture, 1918.
Washington, D.C.: U.S. Dept. of Agriculture, 1919.
1912.
Washington, D.C.: U.S. Dept. of Agriculture, 1918.
Washington, D.C.: U.S. Dept. of Agriculture, 1915.
Washington, D.C.: U.S. Dept. of Agriculture, 1916.
Washington, D.C.: U.S. Dept. of Agriculture, 1915.
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