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  1. The comparative leaf structure of the sand dune plants of Bermuda.
    By: Harshberger, John William,
    Publication info: n.p.,n.d.
    Contributed by: Robarts - University of Toronto (archive.org)
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  2. The comparative leaf structure of the strand plants of New Jersey.
    By: Harshberger, John William,
    Publication info: n.p.,n.d.
    Contributed by: Robarts - University of Toronto (archive.org)
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  3. Text-book of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm.
    By: Harshberger, John William,
    Publication info: Philadelphia,Blakiston[1920]
    Contributed by: Gerstein - University of Toronto (archive.org)
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