Dayton Triangles: The growth and development of the NFL's first Pro football team. Site contains related links, bibliography, articles and pictures.
Frankford Yellow Jackets: History of the NFL's Frankford Yellow Jackets (1924-1931)
Hammond's Clabbys: New articiles on Professional football before the NFL (Hammond, Indiana).
Pottsville Marrons - 1925 NFL Champions: History, statistics, rosters and biographies of the team.
Rochester Jeffersons: The History of Rochester's NFL Franchise (1908-1925).
Staten Island Stapletons: History of the NFL's Staten Island Stapletons (1915-1936).
The Decatur Staleys: Brief History of the NFL's Decator Staley's (1920-1921). Later known as the Chicago Bears.