Cincinnati Reds throwback uniforms - 1999 vs. 1969 - Red Reporter
Third jersey - Wikipedia
File:Steelers throwback diagram.png - Wikipedia
Arizona Cardinals - Wikipedia
Miami Dolphins' Wikipedia page gets hilarious update after ugly loss
New York Jets - Wikipedia
Away colours - Wikipedia
LSU Tigers, American Football Wiki
File:Redskins vs Giants line of scrimmage throwbacks.jpg - Wikipedia
New England Patriots - Wikipedia
Throwback uniform - Wikipedia
sports unis: NFL Uniforms
Wikipedia's Moment of Truth - The New York Times