Jerry Koosman – Society for American Baseball Research
The original ERR Jordan – SABR's Baseball Cards Research Committee
José Canseco, Baseball Wiki
Shea Stadium The On Deck Circle
Who hit longest HR at Wrigley Field?
United States Minor Outlying Islands, 978-613-5-44264-9
Dave Kingman's 1977 season : r/baseball
Dave Kingman, All-Time Mets Wiki
National Baseball Hall of Fame and Museum - On this date in 1978
Dave Kingman's 1977 season : r/baseball