Best Padres Uniform Patch - Gaslamp Ball
Blue replaced brown on Padres uniforms in 1991, by FriarWire
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?)
Order Restored to Uni-Verse as Padres Bring Back the Brown
Padres unveil new brown-and-gold uniforms, return to roots for 2020 season
Padres getting new blue and yellow uniforms, brown will be official alternate - Gaslamp Ball
Brown has been part of the Padres' history since expansion, by FriarWire
San Diego Padres return to Franciscan brown color scheme for uniforms --Aleteia
Padres uniform history: The 1990s - ESPN - SweetSpot- ESPN
Order Restored to Uni-Verse as Padres Bring Back the Brown