Experts agree, Pirates made right choice
We Checked 50 Years Of Sports History To Find The Team That Stands Out The Least
September 1, 1971: Pirates field first all-Black lineup in baseball history – Society for American Baseball Research
1971 World Series champions named parade grand marshals, Garrett County Community News
1971 Pirates: A Scrapbook
The Team That Changed Baseball: Roberto Clemente and the 1971 Pittsburgh Pirates: Markusen, Bruce: 9781594160899: : Books
CardCorner: 1973 Topps Bob Moose
Clemente's teamwork helped make historic Pirates 1971 lineup a reality
Reunion of Pirates' 1971 World Series champions brings back memories
Reunion of Pirates' 1971 World Series champions brings back memories
Black and Gold: 1971 Pirates: A Scrapbook
Former Pirate, Ohio native Oliver turns 75