Oakland Athletics - Wikipedia
The Athletics' Sweet Smell of Victory - The New York Times
How the A's elephant is rooted in an age-old rivalry, and why it has endured for over a century - The Athletic
Saunders: Ranking MLB's City Connect uniforms, from worst to first – The Denver Post
Official Oakland Athletics Website
Best-in-MLB Yanks Top Worst-in-majors A's 9-5 on Late Rally - Bloomberg
Round 2: Best jersey design in Oakland A's history - Athletics Nation
Rockies, worst team in National League, lose to A's, worst team in the AL – Greeley Tribune
Athletics' stripped-down roster producing historically bad team, Sam Gordon, Sports
Francisco Lindor, New York Mets top Oakland A's, who set walks record
Oakland A's Vintage Apparel & Jerseys
Vote: Best jersey design in Oakland A's history - Athletics Nation
Oakland Athletics - Wikipedia
Round 2: Best jersey design in Oakland A's history - Athletics Nation
CardCorner: 1979 Topps Mike Norris