54 Andy Messersmith Stock Photos, High-Res Pictures, and Images - Getty Images
MLB History: Andy Messersmith, Dave McNally Become Free Agents
1976 Baseball History - This Great Game
Andy Messersmith Archives
Atlanta Braves #100 Favorite Players from the 1970's: April 2014
Andy Messersmith Trades and Transactions by Baseball Almanac
The Economic History Of Baseball, Part 5, by David B Morris
The Best Transaction Made By Every Braves General Manager, Part 1: Boston and Milwaukee - Outfield Fly Rule
Dodgers Dugout: A fond farewell to Kenley Jansen - Los Angeles Times
Braves Flashback Friday: Andy Messersmith, baseball's first true free agent, comes to Atlanta - Battery Power
CardCorner: 1979 Topps Andy Messersmith