^ abcdefClymer, Floyd. Treasury of Early American Automobiles, 1877-1925. New York: Bonanza Books, 1950, pp.32-128.|accessdate= requires |url= (help)
^ abMayall, Nicholas Ulrich (1970). "Nicholas U. Mayall". In Stone, Irving. There was light: Autobiography of a university: Berkeley, 1868-1968. Garden City, New York: Doubleday & Company, Inc. p. 108. "My first ascent of Mount Hamilton was made in a Moline Knight, a car that my father fancied because it had sleeve valves and was the envy of his colleagues because it ran so quietly. What was not publicized was the engine's voracity for oil, and its carburetor's sensitivity to altitude."