This George Brett Baseball Card Has Too Much Pine Tar!, by Moonlighting Writer
1980 George Brett Game Worn Kansas City Royals Jersey. Baseball, Lot #80967
How the Pine Tar Game ended
1977 Topps George Brett Kansas City Royals #580 Baseball Card Lot
Early Royals baseball cards - Royals Review
1977 Topps Batting Leaders (G.Brett/B.Madlock)
Kansas City Royals George Brett Sports Illustrated Cover by Sports Illustrated
George Brett 1990 Topps #60
Dan Quisenberry – Society for American Baseball Research
Kansas City Royals - Wikipedia