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  1. Manual of fruit insects, by the late Mark Vernon Slingerland and Cyrus Richard Crosby ...
    By: Slingerland, M. V, - Crosby, Cyrus Richard,
    Publication info: New York,The Macmillan company[c1914]
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. Manual of vegetable-garden insects, by Cyril Richard Crosby and Mortimer Demarest Leonard ...
    By: Crosby, Cyrus Richard, - Leonard, Mortimer Demarest.
    Publication info: New York,The Macmillan company,1918.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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