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  1. The grape leafhopper in the Lake Erie Valley /
    By: Johnson, Fred.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1914.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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  2. The grape root-worm : with special reference to investigations in the Erie grape belt from 1907 to 1909 /
    By: Johnson, Fred. - Hammar, A. G. (Alfred Gottlieb),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1910.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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  3. The grape root-worm [Fidia viticida] with special reference to investigations in the Erie grape belt from 1907 to 1909.
    By: Johnson, Fred. - Hammar, Alfred Gottlieb,
    Publication info: Washington,Govt. print. off.,1910.
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
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