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  1. Causes, effects and control of defoliation on tomatoes /
    By: Horsfall, James G. - Heuberger, John William,
    Publication info: [New Haven] :Connecticut Agricultural Experiment Station,1942.
    Contributed by: University of Connecticut Libraries (archive.org)
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  2. Some special plant disease surveys in New York State in 1929 /
    By: Whetzel, Herbert Hice, - Horsfall, James G. - United States.
    Publication info: [Washington, D.C.] :Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture,1930.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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