Blue replaced brown on Padres uniforms in 1991, by FriarWire
10 things: Ugly uniforms through the years - The Tribune
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
An Open Letter to Padres Uniform Designer
MLB San Diego Padres 1972 uniform original art – Heritage Sports Art
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: San Diego Padres Uniform and Team History
Padres Considering Big Changes, Maybe Brown for 2020 – SportsLogos.Net News
Blue replaced brown on Padres uniforms in 1991, by FriarWire
UNOFFICiAL ATHLETIC San Diego Padres Rebrand
Brown Uniforms Create Identity Padres
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
2023 MLB Uniform Rankings
The Padres change uniforms, again, so let's look at their visual history