August 19, 1969: Juan Marichal battles Mets in scoreless duel; Giants lose 1-0 in 14 innings – Society for American Baseball Research
Juan Marichal Baseball Stats by Baseball Almanac
Chapters – Society for American Baseball Research
Juan Marichal's Near Historic Debut! - MavoBooks
30 Seconds With Juan Marichal - The New York Times
Baseball Research Journal SABR Society for American Baseball
Baseball Research Journal SABR Society for American Baseball
Juan Marichal Signed Hall of Fame Logo Baseball (JSA)
Juan Marichal – Society for American Baseball Research
Juan Marichal - Cooperstown Expert
Juan Marichal's Near Historic Debut! - MavoBooks