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  1. Disease in plants.
    By: Ward, Harry Marshall,
    Publication info: LondonMacmillan1901
    Contributed by: Earth Sciences - University of Toronto (archive.org)
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  2. Timber and some of its diseases.
    By: Ward, Harry Marshall,
    Publication info: LondonMacmillan1909
    Contributed by: Robarts - University of Toronto (archive.org)
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  3. Trees; a handbook of forest-botany for the woodlands and the laboratory.
    By: Ward, Harry Marshall, - Groom, Percy,
    Publication info: CambridgeUniversity Press1904-09
    Contributed by: Gerstein - University of Toronto (archive.org)
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  4. Trees; a handbook of forest-botany for the woodlands and the laboratory.
    By: Ward, Harry Marshall, - Groom, Percy,
    Publication info: CambridgeUniversity Press1904-09
    Contributed by: Gerstein - University of Toronto (archive.org)
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