"Bowling"(PDF). Spalding's Athletic Library. Vol. 1, no. 3. New York: American Sports Publishing Company. December 1892. Archived from the original(PDF) on March 27, 2020.
"Bowling"(PDF). Spalding's Athletic Library. Vol. 1, no. 3. New York: American Sports Publishing Company. December 1892. Archived from the original(PDF) on March 27, 2020.