Steelers logo and some history behind the team
The ten best football badges in the world, British GQ
History of All NBA Team Logos - Bold, Vibrant, and Timeless - Southwest Journal
Secrets of Adidas Logo Success - Logic, History & Alternative Logo Ideas
Evolution of Pokemon Designs – Sword and Shield (Generation 8)
Uni Watch's Friday Flashback -- Breaking down the NFL logo - ESPN
How the logos of English football are changing
Evolution of Football Helmets – 2nd Skull, Inc.
NFL Logos Redesigned to Look Like European Football (Soccer) Logos, News, Scores, Highlights, Stats, and Rumors
World Football Club Crests by Leonard Jägerskiöld Nilsson - Ebook
The history of the Liverpool FC club crest - Liverbird and eternal flames - Liverpool FC - This Is Anfield
UPS Logo History And Evolution: Exploring The UPS Shield
NFL Logo Design: The Entire Development History – Blogs
A graphic design history of the NBA, by Anthony Morell