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- Catholic churchmen in science; sketches of the lives of Catholic ecclesiastics who were among the great founders in science, by Dr. James Joseph Walsh, K.ST.G., M.D., PH.D., LITT.D. (Philadelphia: American Ecclesiastical Review, 1906). Available at Internet Archive (Digitizing sponsor: MSN; Book contributor: University of California Libraries). The 2nd edition (Philadelphia: American Ecclesiastical Review, The Dolphin Press, 1906, 1910) is available on Project Gutenberg. Science, History, Apologetics.