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  1. The demonstration work; Dr. Seaman A. Knapp's contribution to civilization, by O. B. Martin.
    By: Martin, Oscar Baker,
    Publication info: Boston,The Stratford co.,1921.
    Contributed by: University of California Libraries (archive.org)
    Subjects: 1833-1911  Agricultural education  Knapp, Seaman Asahel,  United States  
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  2. The Knapp method of growing cotton, by W. B. Mercier and H. E. Savely ...
    By: Mercier, W. B. - Savely, Harvey E.,
    Publication info: Garden City, New York,Doubleday, Page & company,1913.
    Contributed by: Library of Congress
    Subjects: 1833-1911  Cotton growing  Knapp, Seaman Asahel,  United States  
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  3. The Knapp method of growing cotton, by W. B. Mercier and H. E. Savely ...
    By: Mercier, W. B. - Savely, Harvey E.,
    Publication info: Garden City, New York,Doubleday, Page & company,1913.
    Contributed by: University of California Libraries (archive.org)
    Subjects: 1833-1911  Cotton growing  Knapp, Seaman Asahel,  United States  
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