Charlie O's Bar And Grill in Red Hook, Ny : Menu
Sacramento, California - Wikipedia
The A's celebrate KC roots with green and gold uniforms — and a mule named Charlie O
Box truck graffiti in SSF. : r/bayarea
Box truck graffiti in SSF. : r/bayarea
Box truck graffiti in SSF. : r/bayarea
Charlie-O — Baseball's Favorite Mule, by Michael Murphy, SMC Sports Journalism
Splash Pad News – February 2018
Legendary Locals of Oakland - Oakland - LocalWiki
Grand Avenue Merchant News – May 2022
Baseball History - Oakland - LocalWiki
Oakland's Lost Mascot: Charlie O.
Oakland Athletics: First Mascot - Charlie O the Mule
Charlie-O — Baseball's Favorite Mule, by Michael Murphy, SMC Sports Journalism