The Team-by-Team Encyclopedia of Major League Baseball. New York City: Workman Publishing Company. 2006. ISBN 0-7611-3943-5. Neyer, Rob (2006). Rob Neyer's
Dennis. The Team-by-Team Encyclopedia of Major League Baseball. New York: Workman Publishing. 2006: 350. ISBN 978-0-7611-5376-4. 1907 American League Pitching