1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Hall of Fame Coach Don Shula, Who First Won Big in Baltimore, Dies at 90 - Baltimore Magazine
Don Shula, the winningest coach in pro football history, has died at age 90
Perfect Memories: A '72 Dolphins 50th anniversary celebration
1972 Dolphins remain only perfect team in NFL's 100 years: Here's every team's best unbeaten start
Still Perfect: Miami Dolphins to Honor Undefeated 1972 Team at Sunday's Game – NBC 6 South Florida
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Five Reasons the 1972 Miami Dolphins Will Forever Be the Only Undefeated NFL Team
Has history met its match in the 2019 Miami Dolphins? - The Athletic
Journalist Jeremy Schaap at The Westport Library Screening New Film on the Undefeated 1972 Miami Dolphins