File:Gaylord Perry SF69.jpg - Wikipedia
Jim Perry (baseball) - Wikiwand
Sun lotion and curveballs: Why MLB is gripped by dubious 'foreign substances', MLB
The Prime Of The Ancient Mariner - Sports Illustrated Vault
Gaylord Perry, Hall of Fame Pitcher With a Doctoring Touch, Dies at 84 - The New York Times
Gaylord Perry – Society for American Baseball Research
Pedro Martínez - Wikipedia
Perry, Gaylord Baseball Hall of Fame
Statue of Gaylord Perry!!! (Giants hall of famer) by sfgiants58 on DeviantArt