NFL: Miami Dolphins announce death of Bob Kuechenberg at age 71
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
1972 Miami Dolphins season - Wikipedia
President Obama honors 1972 Miami Dolphins at White House
Viewpoint: The White House Should Lock Out the '72 Dolphins
President Obama Honors the 1973 Super Bowl Champion Miami Dolphins
72 Dolphins finally get their White House visit - NBC Sports
1972 Miami Dolphins will remain NFL's only unbeaten team after Alex Smith does in 11-0 Steelers
President Obama Honors the 1973 Super Bowl Champion Miami Dolphins
AC In The AM: Greatness To Be Honored At Halftime
50 years later, '72 Dolphins remain unmatched in perfection