Negro League Seattle Steelheads a brief but essential part of the city's rich baseball history
Mariners unveil City Connect uniforms with nods to Seattle's rich
Gread McKinnis – Society for American Baseball Research
Wayback Machine: Seattle Steelheads' short life - Sportspress
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Negro Leagues: A Legacy Remembered
Wayback Machine: A legacy of black baseball - Sportspress Northwest
MLB and MiLB Teams Plan Throwbacks for Juneteenth
The Rich History of Cuban Baseball – Ebbets Field Flannels
Clinton Yates — Andscape
NLB - The Ultimate Negro Leagues Shop – tagged Seattle Steelheads
Clinton Yates — Andscape
The Seattle-Cincy-NOLA connection, courtesy of Abe
