In 1962, Championship Spectacle Put the A.F.L. in the Game - The New York Times
KC star: Dawson left mark
History of the AFL 1960-69, Abner Haynes
NFL Playoff Overtime Rules: Here's How They Work - The Spun: What's Trending In The Sports World Today
Double overtime games in the postseason
Battle of the Texans: Kansas City Chiefs have their own Texas roots
Kansas City Chiefs, History, Super Bowl, & Notable Players
Al Jamison, an original Houston Oiler, dies at 83
George Blanda, Hall of Famer for Bears, Raiders and Oilers, Dies - WSJ
Three new books capture Dallas Cowboys history
Len Dawson, Who Took Kansas City to a Championship, Dies at 87 - The New York Times
Cowboys Triviology: Fascinating Facts from the Sidelines: Walsh, Christopher: 9781600786228: : Books
AFL exhibition games in Fort Worth helped shape pro football landscape