Valley News - Sports briefs: Langer, center of Dolphins' perfect team, dies
Top 10 Miami Dolphins Players of All Time - Sports Illustrated
Jim Langer: Miami Dolphins Hall of Famer dies aged 71 - BBC Sport
Hall of Famer Jim Langer dies at 71, Free
Jim Langer, ex-Dolphins Hall of Fame center, dies at 71 - The Boston Globe
Jim Langer Pro Football Hall of Fame
Jim Langer was a top analyst, too
Jim Langer, South Dakota Almanac, Miami Dolphins, National Football League
Jim Langer, Hall of Fame center for Dolphins and Vikings, dies at 71
Dolphins Hall of Famer Jim Langer passes away - The Phinsider
Miami Dolphins: Former center and Hall of Famer Jim Langer has died