Detroit Lions, Packers Wiki
Indianapolis Colts Road Uniform - National Football League (NFL) - Chris Creamer's Sports Logos Page
DETROIT LIONS ~ FOUNDED 1934 LOGO 22x34vPOSTER NFL National Football League
The 2014 NCFA Yearbook by Doug Houvener - Issuu
How many NFL team logos in history have included a football in them? - Quora
Detroit Lions Alternate Logo - National Football League (NFL) - Chris Creamer's Sports Logos Page
BEST & WORST LOGOS – National Football League
Detroit Lions Alternate Logo - National Football League (NFL) - Chris Creamer's Sports Logos Page
Detroit Lions Wordmark Logo - National Football League (NFL) - Chris Creamer's Sports Logos Page
Why do high school football teams use miscolored NFL or NCAA logos? - Quora
Concepts Archives - Auburn Uniform Database