The Oddball Card Collector: 1983 Galasso 1969 Seattle Pilots Set
Death of a Museum – SABR's Baseball Cards Research Committee
Condition: VG
1969 Topps #42 Tommy Harper Seattle Pilots VG
2013 Oldtime Baseball Game Program
The Flight of the Seattle Pilots – Society for American Baseball Research
Sinking Ship: Collecting the 1969 Seattle Pilots
Seattle Pilots Baseball Sports Trading Cards & Accessories 1969 Season for sale
July 27, 1969: Eighteen pitchers see duty during 20-inning Red Sox-Pilots battle – Society for American Baseball Research
Seattle Pilots Jersey – Royal Retros
Oldtime Baseball Game – Road Uniforms – Oldtime Baseball Game