"Want a Challenge?"(PDF). SABR Biographical Research Committee Report (May/June 2024): 1–2. Retrieved March 25, 2024.
la84.org
library.la84.org
"Base Ball: Players' League"(PDF). Sporting Life. Vol. 15, no. 16. July 19, 1890. p. 3. Archived from the original(PDF) on January 12, 2014 – via LA84 Foundation.
"Base Ball: Players' League"(PDF). Sporting Life. Vol. 15, no. 16. July 19, 1890. p. 3. Archived from the original(PDF) on January 12, 2014 – via LA84 Foundation.