San Diego Padres' Johnny Ritchey Broke Pacific Coast League Color Barrier 75 Years Ago – NBC 7 San Diego
San Diego Padres Jersey History: Pacific Coast League
Pacific Coast League overview
Former Padre of the 1940's considered the Jackie Robinson of the Pacific Coast League
Padres should go back in time for new uniforms - The San Diego Union-Tribune
San Diego Padres Jersey History: Pacific Coast League
Padres Honor Johnny Ritchey with 1948 Pacific Coast League Throwbacks
San Diego Padres Unveil New, “Vibrant” City Connect Uniform – SportsLogos.Net News
Pics: Padres Wear 1948 PCL Unis – SportsLogos.Net News
The PCL: San Diego Padres – Ebbets Field Flannels