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  1. Diseases and pests of cultivated plants. By J.W. Eastham ... and Max H. Ruhmann ... with article on Sprays and spraying by B. Hoy ...
    By: Eastham, John William, - Joy, Benjamin, - Ruhmann, Max H.
    Publication info: Victoria, B.C.,Printed by W.H. Cullen, printer to the King's most excellent Majesty,1916.
    Contributed by: University of California Libraries (archive.org)
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