Circulars of the Bureau of Plant Industry nos. 1 to 40, inclusive, 1908-1909
Washington [D.C.], U.S. Dept. of Agriculture, Bureau of Plant Industry, 1909-
1909
University of Florida, George A. Smathers Libraries with support from LYRASIS and the Sloan Foundati
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Public domain. The BHL considers that this work is no longer under copyright protection.