The Best Damn Player in the World Series': Roberto Clemente, the World Series, and the Making of a Career – Society for American Baseball Research
October 13, 1960: Bill Mazeroski's heroic homer brings World Series championship to Pittsburgh – Society for American Baseball Research
1971 World Series - Wikipedia
1960 Baseball History - This Great Game
CardCorner: 1969 Topps Freddie Patek
October 17, 1971: Blass, Clemente lead Pirates to victory in World Series Game 7 – Society for American Baseball Research
Roberto Clemente made Hall of Fame history
Summer of '71: Strunak, Mickey: 9781462640027: : Books
Honoring the Pittsburgh Pirates 1971 World Series Champions - Sweden
Bill Eggert, Pittsburgh's boys of summer saluted, News
The Hall of Famer Next Door - WSJ
With no Hall of Famer at catcher, who is the best to play the position for Pittsburgh?, Sports