1971 Pirates were special in many ways, John Sacco
Frank Robinson - Baltimore Orioles vs Pittsburgh Pirates - 1971 World Series - Sports Illustrated - October 18, 1971 - Baseball - SI at 's Sports Collectibles Store
1971 10 13 World Series Game 4 Baltimore Orioles at Pittsburgh Pirates
Former Pittsburgh Pirates player, coach during '71 World Series passes away
Bryan Reynolds, Ke'Bryan Hayes Top an Underwhelming Pirates Roster - Sports Illustrated
Roberto Clemente : Pride of The Pittsburgh Pirates by Jonah Winter
Willie Stargell - The Pittsburgh Pirates Overpower the East - Sports Illustrated - August 2, 1971 - SI at 's Sports Collectibles Store
50 Years Later, the Pirates' Lineup of Color Still Resonates - The New York Times
Pittsburgh Pirates Signed Publications & Media, Collectible Pirates Publications & Media
List of Pittsburgh Pirates seasons - Wikipedia
A Pirate for Life