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  1. The principles of soil management,
    By: Lyon, Thomas Lyttleton, - Fippin, Elmer Otterbein,
    Edition: 2d ed.
    Publication info: New YorkMacmillan1910
    Contributed by: Earth Sciences - University of Toronto (archive.org)
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  2. Soils, their properties and management,
    By: Lyon, Thomas Lyttleton, - Buckman, Harry Oliver, - Fippin, Elmer Otterbein,
    Publication info: New YorkMacmillan1920
    Contributed by: Robarts - University of Toronto (archive.org)
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