Blue replaced brown on Padres uniforms in 1991, by FriarWire
Modern mock-ups of Padres uniforms in retro colors - Gaslamp Ball
Ranking the Best Uniforms in Major League Baseball
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
SVA Alum Todd Radom Celebrates Bad Baseball Uniform Design with 'Winning Ugly', School of Visual Arts
Check out this prototype jersey the Padres almost wore in the 1980s
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
The Padres' Journey From Unique to Undistinguished (and Back Again?)
San Diego Padres - Wikipedia