Jim Bouton: A remembrance of the ballplayer's time in the Met League
Jim Bouton, Yankees pitcher whose 'Ball Four' blew the whistle on
In Memoriam: Jim Bouton
September 20, 1969: Jim Perry's 20th victory pushes Twins nearer
Sinking Ship: Collecting the 1969 Seattle Pilots
Sinking Ship: Collecting the 1969 Seattle Pilots
Sinking Ship: Collecting the 1969 Seattle Pilots
ESPN.com - Major League Baseball - Ball Four remains a baseball
Seattle Pilots - Wikipedia
vintage collectible SEATTLE PILOTS BASEBALL memorabilia for sale
1969 07 27 Red Sox at Pilots