Seventeen and Oh: Miami, 1972, and the NFL's Only Perfect Season by Marshall Jon Fisher
NFL roundup: Dolphins score most points since 1966; Cardinals shock Cowboys, NFL
1972 Perfect Season - Miami Dolphins
Which NFL team is undefeated in the league's history?
Undefeated 1972 Dolphins made history and changed the NFL - The Phinsider
Miami Dolphins shatter records in surreal 70-20 rout of Denver Broncos
Miami Dolphins score 70 points and take a knee rather than take a shot at NFL scoring mark
1972 Miami Dolphins perfect season will stand alone among NFL's unbeatens
Do 1972 Miami Dolphins Toast First Losses of Undefeated Teams?
Miami Dolphins - Wikipedia
Upon Further Review: Dolphins tormented Broncos with their run game in historic blowout – Greeley Tribune
Top 5 Miami Dolphins Quarterbacks of All Time - Sports Illustrated