The 1971 Pittsburgh Pirates All-Minority Lineup Was Historic, Purposeful
1969 Topps Dock Ellis
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Reunion of Pirates' 1971 World Series champions brings back memories
Dock Ellis Game Used Jersey 1971 Pittsburgh Pirates - Game Used Only
The Pittsburgh Pirates made MLB history 45 years ago with an all-minority lineup
OTL: The Long, Strange Trip of Dock Ellis - MLB - ESPN
While Jackie Robinson's breakthrough in 1947 opened the gates of opportunity for African Americans and other minority players, it was not until 1971 when a team first enjoyed a full and complete level of integration, with half of its twenty-five-man roster comprised of players of African American and Latino descent. That team was the Pittsburgh Pirates, managed by an old-time Irishman.
The Team that Changed Baseball: Roberto Clemente and the 1971 Pittsburgh Pirates [Book]