MLB Jersey & Cap History
M's…er, Pilots…and O's Party Like It's 1969
Seattle Pilots jerseys among the most coveted of the one-year franchise - Sports Collectors Digest
The 1969 Seattle Pilots—One Team, One Season, Many Uniforms — Todd Radom Design
Remembering the Seattle Pilots: Seattle's first MLB team lasted only one season
1969 Seattle Pilots uniform - OOTP Developments Forums
Seattle Pilots team ownership history – Society for American Baseball Research
M's…er, Pilots…and O's Party Like It's 1969
1969 Seattle Pilots uniform - OOTP Developments Forums
How The Seattle Pilots Brought Baseball to 3 Different Cities –
The 1969 Seattle Pilots—One Team, One Season, Many Uniforms — Todd Radom Design
Crash Landing: The 1969 Seattle Pilots
1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game