Football Junk
- NFL Statistics for each player, team, and league in pro football history.
- http://www.fbjunk.com/

Pro Football Hall of Fame: History
- Chronology, events, champions, former players, draft history and team information.
- http://www.profootballhof.com/history/index.html

Chronological History of the Modern NFL
- A time line of how the NFL grew from 1933 - 2001.
- http://www.vaughantech.com/nfl.html

Golden Age Era Sports: Football
- A history of the leagues and teams from the Golden Age of Radio (1920-1967).
- http://www.digitaldeliftp.com/recommendations/retro09.html

NFL Team Nicknames
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- http://www.ravensnest1.com/NFL%20Team%20Nicknames.htm

Professional Football Researchers Association in Western NY
- Articles on professional football in Western New York State prior to 1970.
- http://www.wnypfra.org/index.htm

Ghosts of the Gridiron
- The early days of Pro Football in the Philadelphia Area.
- http://ghosts.footballhistory.org/

The American Football League (1960-1969)
- Offers history, facts, photos, cards and player information.
- http://www.remembertheafl.com/AFL.htm

Chris Creamer's SportsLogos.net
- History of the logos of the National Football League, part of a virtual museum of sports logos and uniforms.
- http://www.sportslogos.net/league.php?l=7

Football @ JT-SW.com
- Database of NFL history with team and player statistics from 1920 to present day, including some box scores.
- http://www.jt-sw.com/football/

Pro Football Reference
- A database containing historial stats from every NFL team and most of the players.
- http://www.pro-football-reference.com/

The NFL History Network
- A fan-operated site with individual team histories, statistics, box scores and trivia.
- http://nflhistory.net/

NFL History
- Capsule histories of every NFL team.
- http://www.nfl-history.com/

NFL.com: History
- Franchise history, nicknames, draft history and famous dates.
- http://www.nfl.com/history

I-NFL Helmet
- Offers the history of each NFL team's helmet logo.
- http://www.i-nflhelmet.com/

HickockSports.com
- List of passing, rushing, receiving, scoring, interception, punting and punt return leaders.
- http://www.hickoksports.com/history/nflleady.shtml

About.com: Football History
- Includes annual award winners, Super Bowl and NFL Draft History plus franchise genealogy.
- http://football.about.com/cs/history/

Football.com - NFL History
- Genealogy, current teams and defunct franchises.
- http://www.football.com/history/index.shtml

Infoplease: Football Almanac
- Database including Super Bowl statistics, leaders, champions and awards dating back to 1920.
- http://www.infoplease.com/ipsa/A0103717.html