Index to papers relating to plant-industry subjects in the yearbooks of the United States Department of Agriculture
Index to papers on plant subjects in yearbooks
Circular (United States. Bureau of Plant Industry) ; no. 17.
Rockwell, J. E. (Julius Ensign)
United States. Bureau of Plant Industry.
Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Plant Industry,1908.
"Issued November 30, 1908."
Dept. of Agriculture
NAL: 1 P69C no. 17 1908
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