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  1. Boll weevil.
    By: South Carolina boll weevil commission. - Dial, Nathaniel Barksdale, - Manning, Richard I. - Riggs, Walter M.
    Edition: [Rev. ed.]
    Publication info: Washington,Govt. print. off.,1921.
    Contributed by: Library of Congress
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  2. Boll weevil. Report of the South Carolina Boll Weevil Commission. Prepared by Walter M. Riggs, president Clemson Agricultural College of South Carolina.
    By: South Carolina boll weevil commission. - Manning, Richard I. - Riggs, Walter M.
    Publication info: Washington,Govt. Print. Off.,1917.
    Contributed by: Library of Congress
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