Pittsburgh Bleeds Black And Gold, But How Did We End Up With Those Colors?
The Penguins celebrate 43 years of black and gold - PensBurgh
Remembering the Pittsburgh Pirates, the team that brought line changes to the NHL
City/State Color Identities - Page 3 - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums
Why do professional sports teams from Pittsburgh have the same color scheme? - Quora
Steel City Bleeds Black & Gold for Sports: Legacy and Cultural Impact in Pittsburgh
Old school: Pitt will return to blue and yellow color scheme, A.D. says, Sports
Why is this company called Black and Yellow and not black and gold? - Black and Yellow apparel
If you're watching the Steelers vs Packers game, note that both teams official color is gold. Just sayin' : r/baylor