Collision of wills : Johnny Unitas, Don Shula, and the rise of the modern NFL

Gilden, Jack, author.
Lincoln : University of Nebraska Press, [2018]

The ESPN pro football encyclopedia

New York ; London : Sterling Pub. Co., [2007]
2nd ed.

Fight for old DC : George Preston Marshall, the integration of the Washington Redskins, and the rise

O'Toole, Andrew, author.
Lincoln : University of Nebraska Press, [2016]

The game before the money : voices of the men who built the NFL

Michael, Jackson.
Lincoln ; New York : University of Nebraska Press, 2014.

National Football League franchises : team performances, financial consequences

Jozsa, Frank P., Jr., 1941- author.
Lanham : LEXINGTON Books, [2016]

The National Forgotten League : Entertaining Stories and Observations from Pro Football's First Fift

Daly, Dan, 1953-
Lincoln : University of Nebraska Press, [2012]

NFL football : a history of America's new national pastime

Crepeau, Richard C., 1941- author.
Urbana : University of Illinois Press, [2020]
NFL Centennial edition.

Outside the lines : African Americans and the integration of the National Football League

Ross, Charles Kenyatta, 1964-
New York : New York University Press, [1999]

Pain gang : pro football's fifty toughest players

Reynolds, Neil, 1972-
Washington, D.C. : Potomac Books, [2006]
1st ed.