How the A's elephant is rooted in an age-old rivalry, and why it has endured for over a century - The Athletic
Brent Rooker's home run lifts A's to 2-1 win over Angels
Round 3: Best jersey design in Oakland A's history - Athletics Nation
Las Vegas A's get makeover by San Francisco art director, Baseball
Mark Kotsay to A's as losses mount: 'We can change the narrative
Official Oakland Athletics Website
Oakland A's Vintage Apparel & Jerseys
Vida Blue, former ace of the A's and Giants in the '70s, dies at 73
Vote: Best jersey design in Oakland A's history - Athletics Nation
Is growing Las Vegas big enough for 3 major pro teams? –
What's The Best Way To Build a Major League Baseball Team?
Rickey Henderson's two RBI lead A's to 11th straight win to start 1981 season
Manfred hopes MLB owners will vote in November on A's proposed move to Las Vegas, Associated Press