National Football League.

Official NFL 2002 Record & Fact Book

The official NFL 2001 record & fact book

The Official NFL 2000 Record & Fact Book

Official Rules of the NFL 2000-2001

Official Playing Rules of the National Football League, 1999 (Official Rules of the NFL, 2000)

Make the Right Call: The Nfl's Own Interpretations and Guidelines Plus 100s of Official Rulings on Game Situations (Make the Right Call: the Official Playing Rules of the NFL)

The Official NFL 1999 Record & Fact Book

1998 Official Playing Rules of the National Football League (Serial)

Official 1998 National Football League Record & Fact Book

Official 1997 National Football League Record & Fact Book

The Official Rules of the NFL (Serial)

The Official Rules of the NFL 96 (Annual)

Official 1995 National Football League Record & Fact Book

Official NFL 1993 Record and Fact Book

Make the Right Call

Official 1992 National Football League Record & Fact Book

Official NFL Pro Set Card Book

Official 1991 National Football League Record and Fact Book

Official National Football League Record and Fact Book, 1985

Official Rules of the Nfl, 1997

Official 1996 National Football League Record & Fact Book (Annual)

The Official Rules of the NFL 94-95 (Official Rules of the NFL)

Portrait of Victory

Official National Football League 1988 Record and Fact Book

Official 1987 NFL Record and Fact Book

NFL Media Information Book, 1982

Official NFL Pocket Almanac

Media Information Book, 1981

NFL's greatest