Ranking the 5 Most Impressive Winning Streaks in NFL History
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Seventeen And Oh - By Marshall Jon Fisher (paperback) : Target
The undefeated Miami Dolphins of 1972 enjoy their belated salute at White House
Do you consider the undefeated Miami Dolphins team the greatest team ever? - Quora
Achieving Perfection Story of the 1972 Miami Dolphins Undefeated Season
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
72 Dolphins keep perfection in perspective - ESPN
Undefeated NFL teams: 1972 Dolphins pop champagne as Eagles' quest for NFL history ends