TSN Archives: John Elway, back-to-back Super Bowl winner, retires (May 3, 1999)
Sports Illustrated Denver Broncos Covers
Barefooted villain: Salem's Karlis reflects on career, AFC title kick vs. Cleveland
Best AFC Championship games in NFL history - Sports Illustrated
Going Toe-To-Toe: The Brief History of the Barefoot Kickers of the NFL — Pro Sports Fans
82 Denver Broncos Rich Karlis Stock Photos, High-Res Pictures, and Images - Getty Images
82 Denver Broncos Rich Karlis Stock Photos, High-Res Pictures, and Images - Getty Images
Sports Illustrated Denver Broncos Covers
Denver Broncos: The Complete History : John Elway, Mike Shanahan, Rod Smith: Movies & TV
Best AFC Championship games in NFL history - Sports Illustrated
The Drive” – Denver Broncos History