Seals on the Homefront – SABR's Baseball Cards Research Committee
Marie Villone Poinan Greece Historical Society and Museum
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
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Rafael Devers Go-ahead 2-run Hr Seals Postseason Berth Topps Now Auto Card #897a
Borchert Field: August 2018
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
Set Building – SABR's Baseball Cards Research Committee
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
