Biodiversity Heritage Library
By "Walker, M. N. (Marion Newman), 1900-"
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