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  1. Report on investigations of the pink bollworm of cotton in Mexico. By U.C. Loftin ... K.B. McKinney ... and W.K. Hanson.
    By: Loftin, Ulphian Carl, - Hanson, Wrathall King, - McKinney, Kenneth Barber,
    Publication info: Washington,Govt. print. off.,1921.
    Contributed by: Library of Congress
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