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  1. Legislation in connection with plant diseases.
    By: Güssow, H. T.
    Publication info: [Ottawa]1913.
    Contributed by: Cornell University Library
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  2. Observations on the parasitism of Isaria farinosa (Dicks.) Fr. with special reference to the larch sawfly (Nematus erichsonii Hartig.)
    By: Güssow, H. T.
    Publication info: Ottawa :Printed for the Royal Society of Canada,1911.
    Contributed by: Canadiana.org (archive.org)
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