Timeline: The A's, from Philly to K.C. to Oakland
Athletics Hall of Fame
Ups And Downs With The Oakland A's
What we learned in MLB this week: The A's still belong to Oakland
Which Oakland A's deserve 2021 All-Star consideration? - Athletics Nation
Building a dream team of former Oakland A's – The Mercury News
The A's were almost bought by Joe Lacob (Current GSW owner) but given to Wolff and Fisher instead : r/baseball
MLB Power Rankings: The Continued Preeminence Of The American League
12 Great things about the underdog 2012 Oakland A's - Athletics Nation
Official Oakland Athletics Website
Oakland Athletics - Wikipedia
2014 Team Preview: Yes, the Oakland Athletics really are this good - Bless You Boys
1981 Oakland Athletics season - Wikipedia