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  1. The evolution of man, by Wilhelm Bölsche; tr. by Ernest Untermann, PH.D.
    By: Bölsche, Wilhelm, - Bölsche, Wilhelm, - Untermann, Ernest.
    Publication info: Chicago :C.H. Kerr & Company,1905.
    Contributed by: University of California Libraries (archive.org)
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  2. Science and revolution / by Ernest Untermann.
    By: Untermann, Ernest.
    Publication info: Chicago :C. H. Kerr & Company,1910, c1905.
    Contributed by: University of California Libraries (archive.org)
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