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  1. 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
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  2. The mosaic disease of cucurbits /
    By: Doolittle, S. P.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1920.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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