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