Franco Harris, a Pittsburgh Steelers Hall of Fame running back
Steelers Throwback Thursday: Steelers' history in the NFL/AFL
How the NFL took over America in 100 years - ESPN
Steelers Become First Franchise Since Merger To Reach 500 Wins In
OTD in 1966: The AFL and NFL Agreed to a 1970 Merger - Pro Sports
History (PDF File) - The Pittsburgh Steeler Gridiron
NFL 100: No. 71 Mel Blount, the physical Steelers DB who made the
Bengals–Steelers rivalry - Wikipedia
Major League Football - Reimagining the 1970 AFL-NFL Merger (San
General History - Chronology (1960 to 1979)
Major League Football - Reimagining the 1970 AFL-NFL Merger (San
The NFL: The Complete History and Strategy