Milestone Games, the most significant NFL game of each decade: The 1970'S - Ninety-Nine Yards: American Football
Team History Pro Football Hall of Fame
Evolution of the NFL Player
Mel Blount: 'I Took It As An Insult' When NFL Introduced 'Mel Blount Rule' - Steelers Depot
Photos from the 1970 NFL Season - Sports Illustrated
The 1970s were the golden era of repping your favorite NFL team
70s NFL That Wouldn't Fly Today
NFL Nostalgia: Ranking the Best Defenses in NFL History, News, Scores, Highlights, Stats, and Rumors
Ray Guy, First N.F.L. Punter Named to the Hall of Fame, Dies at 72 - The New York Times
Decades week: Best of the 1970s
Top QB's of the 70's — NFL Top 10, by Jeffrey Genao, Genaosportbuzz
40 most hated NFL players of all time: loudmouths, cheaters, criminals