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  1. Agricultural botany, theoretical and practical.
    By: Percival, John,
    Edition: 4th ed.
    Publication info: New York,H. Holt,1910.
    Holding Institution: Cornell University Library
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  2. Common weeds of the farm & garden /
    By: Long, H. C. (Harold Cecil), - Percival, John,
    Publication info: New York :Frederick A. Stokes,1910.
    Holding Institution: University of California Libraries (archive.org)
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  3. The wheat plant;
    By: Percival, John,
    Publication info: London :Duckworth and co.,[1921]
    Holding Institution: University of California Libraries (archive.org)
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