Carillon Historical Park (Dayton History) A 65-acre open-air history museum that serves as the main campus for Dayton History.
The NFL’s: It Started With 14 Teams
Official Site of the National Football League (NFL)
Professional Football Researchers Association (PFRA)
Ohio Historical Society
Pro Football Hall of Fame, Canton, Ohio
1920 APFA Football Season
Football Uniforms, Past and Present – This is the first and only website devoted to documenting the uniforms worn by every NFL team since 1920.