When Football Went to War by Todd Anton, Bill Nowlin, Marv Levy - Ebook
History of the NFL from the year you were born – Daily Press
sports – University of Notre Dame Archives
New York Giants History - Page 2 of 3 - Big Blue Interactive
The Ramifications of the NFL becoming a For-profit LLC
A football man: Bert Bell, Penn, and the Philadelphia Eagles
Bernick's Take Me Back Tuesday: Benda Started SJU on Road to Football Prominence 91 Years Ago - Saint John's University Athletics
A brief history of the NFL, 'The Star-Spangled Banner,' the Super Bowl and their tangled saga of patriotism and dissent
National Football League Commissioner - Wikipedia