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  1. Bug vs. bug: nature's method of controlling injurious species,
    By: Isaac, John - California. State Commission of Horticulture.
    Publication info: Sacramento,W.W. Shannon, Supt. State Printing,1906.
    Holding Institution: Smithsonian Libraries
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  2. Entomology in outline /
    By: Isaac, John
    Publication info: Sacramento :W. W. Shannon,1906.
    Holding Institution: Smithsonian Libraries
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