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By "Doolittle, S. P. (Sears Polydore), 1890-1961"
Control of cucumber mosaic by eradication of wild host plants /
By: Doolittle, S. P. (Sears Polydore), - Walker, M. N. (Marion Newman),
Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1926.
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
The mosaic disease of cucurbits /
By: Doolittle, S. P. (Sears Polydore),
Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1920.
Holding Institution: Multiple institutions