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  1. Class book of economic entomology,
    By: Lochhead, William,
    Publication info: Philadelphia,P. Blakiston's son & co.[c1919]
    Contributed by: Library of Congress
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  2. Peas and the pea weevil
    By: Zavitz, C. A. - Lochhead, William, - Ontario Agricultural College.
    Publication info: Toronto :L.K. Cameron,1903.
    Contributed by: Canadiana.org (archive.org)
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