Oakland Athletics Sports Ecyclopedia
Oakland Athletics A's Unocal 1921 Jersey Pin
Oakland Athletics – NBC Sports Bay Area & California
Oakland Athletics, History & Notable Players
Oakland Athletics - Wikipedia
Oakland Athletics, History & Notable Players
A's outfielder Ramón Laureano suspended 80 games for PEDs
Kansas City Athletics Missouri Encyclopedia
Oakland Athletics game coverage statistics and features - San Francisco Chronicle
Oakland Athletics - Sports Illustrated
Sports Ecyclopedia - Sports Facts, History, Trivia & Betting