The Bronco Blizzard of 1984 (15 inches of snow)
Mike Shanahan - Wikipedia
Denver Broncos - Wikipedia
Denver Broncos - 1984 Season Recap
1984 – Denver Broncos History
There Was No Bucking These Broncos - Sports Illustrated Vault
Broncos Steelers 1984 – Denver Broncos History
Denver Broncos, Packers Wiki
Denver Broncos - Wikipedia