Ex-Dolphins Hall of Fame center Jim Langer dies at 71
Bob Kuechenberg, 71, Dies; Gritty Guard With Champion Dolphins - The New York Times
SDSU mourns passing of Jim Langer - South Dakota State University Athletics
A player-by-player look at the 1972 Dolphins and what they did after perfection – Sun Sentinel
Jim Langer: NFL Hall of Famer, South Dakota State graduate dies at age 71
Jim Langer was a top analyst, too
Top 10 Miami Dolphins Players of All Time - Sports Illustrated
A player-by-player look at the 1972 Dolphins and what they did after perfection – Sun Sentinel