Undefeated - By Mike Freeman (paperback) : Target
50 years on, the 1972 Miami Dolphins' undefeated season remains undefeated, Miami Dolphins
Don Shula, winningest coach in NFL history, dies at 90 - The Boston Globe
Perfect '72 Miami Dolphins Season Remembered in New ESPN E60 - ESPN Press Room U.S.
1972 Dolphins champagne celebration: Do ex-Miami players toast the first loss of the last undefeated NFL team every season?
Memories of AFC title game loss to undefeated 1972 Dolphins still hard to digest for some Steelers
Five Reasons the 1972 Miami Dolphins Will Forever Be the Only Undefeated NFL Team
72 Dolphins And '15 Panthers: Comparing Key Offensive Positions - CBS Miami
Dolphins made history (and memories) in 1972 with a perfect season
Commanders beat Eagles, who were NFL's last unbeaten team, on MNF
Stars of undefeated Miami Dolphins add to popularity of 1972 Topps Football set - Sports Collectors Digest