September 9, 1956: Don Drysdale's homer, three-hitter beat Giants for the fourth time – Society for American Baseball Research
1956 St. Louis Cardinals Art T-Shirt by Row One Brand - Fine Art America
1956 St. Louis Cardinals Art - Row One Brand
Birds on a Bat: The Evolution of the Cardinals Franchise Logo – TOKY
1956 New York Giants vs. St. Louis Cardinals Official Program and Score Card
St. Louis Cardinals - Wikipedia
Lou Brock, Cardinals great and Baseball Hall of Famer, dies - Los Angeles Times
1956 Vintage Cardinals Art - Row One Brand
1967 World Series Baseball Scorecard Art Boston Red Sox Vs.
Back Story: 1956 Topps Baseball – SABR's Baseball Cards Research Committee