Pro Football Journal: Did the 1968 Bengals Ever Intend to Wear Orange Jerseys?
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Cincinnati Bengals Uniform and Team History
Pro Football Journal: Did the 1968 Bengals Ever Intend to Wear Orange Jerseys?
Cincinnati Bengals troll rival Cleveland Browns with logo prank - ESPN
Joe Burrow Cincinnati Bengals Fanatics Authentic Autographed Riddell Speed Authentic Helmet - Detroit City Sports
Cincinnati - HELMET HISTORY
Cincinnati Bengals Helmet - National Football League (NFL) - Chris Creamer's Sports Logos Page
Bengals helmet 1968-1979 by Chenglor55 on DeviantArt
Real Stuff Sports Game Used Football Helmets