John Mackey Dies at 69; Helped Revolutionize N.F.L. - The New York Times
Green Bay Packers: Titletown's Top 5 Tight Ends of All Time, News, Scores, Highlights, Stats, and Rumors
American football legend Ron Kramer dies at 75
To Be Tight, You've Got To Be Loose - Sports Illustrated Vault
Football legend Ron Kramer dies at Fenton home, News for Fenton, Linden, Holly MI
Green Bay Packers and Wisconsin ties in the Pro Football Hall of Fame
Ron Kramer (1978) - Hall of Fame - National Football Foundation
The Green Bay Packers Have Found Some Gems with the 15th Overall Pick
N.F.L. '94; Biggest Winners and Loses in N.F.L.'s Version of Musical Chairs - The New York Times