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  1. Future forest trees or The importance of the German experiments in the introduction of North American trees.
    By: Unwin, Arthur Harold.
    Publication info: London,T. F. Unwin,1905.
    Contributed by: Cornell University Library
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  2. West African forests and forestry /
    By: Unwin, Arthur Harold.
    Publication info: London :T.F. Unwin, ltd.,[1920]
    Contributed by: Cornell University Library
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  3. West African forests and forestry, by A. Harold Unwin ... with 110 illustrations by the author.
    By: Unwin, Arthur Harold.
    Publication info: London,T. F. Unwin, ltd.[1920]
    Contributed by: NCSU Libraries (archive.org)
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