From Charlie O. to O.co Coliseum, the A's Have History - The New York Times

Oakland's baseball legacy is bigger than the A's

Mets giving Colon 2-year deal

Much About Rob Manfred, MLB And A's Move From Oakland To Las Vegas Doesn't Make Sense

Glow of Baseball's All-Star Game Can't Obscure Athletics' Departure - The New York Times

Mustaches and Mayhem: Charlie O's Three-Time Champions: The Oakland Athletics: 1972-74 (SABR Digital Library): Greene, Chip, Greene, Chip, Erion, Greg, Levin, Len, Nowlin, Bill, Wolf, Gregory H., Wancho, Joe, Armour, Mark, Costello

Oakland A's to unveil Hall of Fame, honor 6 players, 1 owner

OAKLAND A's: TOUGH DAYS AT THE COLISEUM, NOTHING NEW – The Hispanic Heritage Baseball Museum Hall Of Fame

A's Fans Are Still Dreaming of the End of Moneyball -Baseball Prospectus

O.co Coliseum, American Football Wiki

Oakland A's news: A's wrap up 2023 home games - Athletics Nation