Manny Sanguillen National Museum of American History

CardCorner: 1968 Topps Manny Sanguillen

Roberto Clemente: More than Latin America's baseball star

Manny Sanguillen National Museum of American History

Roberto Clemente – mlbblogger

Clemente, the Double Outsider - The New York Times

My Clemente: Manny Sanguillén

CardCorner: 1968 Topps Manny Sanguillen

Manny Sanguillen Photos and Premium High Res Pictures - Getty Images

American Experience, Roberto Clemente, Season 20, Episode 7

Roberto Clemente honors pirates star

Roberto Clemente - Baseball Hall of Fame Biographies

Photos: Reds playoff history

Roberto Clemente - Baseball Hall of Fame Biographies

Manny Sanguillen – PBN History

Que Viva Clemente! Roberto Lives On in the Hearts of Latino Major Leaguers – Society for American Baseball Research