^Davis, J G (July 23, 1911). "Chicagoans Win Olympic Trophy". Chicago Tribune. Archived from the original on June 4, 2011. Retrieved February 20, 2010. Chicago's supremacy in the Western golfing world again was demonstrated, when four or its players, representing the Western Golf association, ...
^"The Month at a Glance W. H. Diddle, The Winner, and His Opponent"(PDF). Golf Illustrated. 1915. Retrieved February 20, 2010. In the finals of the Central States Golf Association Championship quality in the future rounds for unless the professionals rise to the occasion much of the interest and the pleasure of the match is lacking.