INFOGRAPHIC: Colleges that produce the most Super Bowl players
Chart: Which Teams Played the Most Super Bowl Games?
Teams that have drafted the most Superbowl winning quarterbacks
Super Bowl XIX - Wikipedia
NFL on CBS - Four teams have never reached the big game.
Most Super Bowl appearances by team
2019 Update: Super Bowl Championships by Team : r/nfl
The 10 Most Painful Losses in Super Bowl History - The New York Times
Chart: Which Teams Played the Most Super Bowl Games?