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  1. Botanical microtechnique, a hand-book of methods for the preparation, standing, and microscopical investigation of vegetable structures; tr. from the German by James Ellis Humphrey.
    By: Zimmermann, A.
    Publication info: New York,Holt,1893.
    Contributed by: Gerstein - University of Toronto (archive.org)
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  2. De dierlijke vijanden der koffiecultuur op Java.
    By: Koningsberger, Jacob Christiaan, - Zimmermann, A. - Metcalf Collection (North Carolina State University).
    Publication info: Batavia--'s Gravenhage,G. Kolff & Co.,1897-1901.
    Contributed by: NCSU Libraries (archive.org)
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