SABR's Baseball Cards Research Committee
The Milwaukee Racing Sausages – SABR's Baseball Cards Research Committee
Cardboard Crosswalk: 1981 Fleer cards and stickers – SABR's Baseball Cards Research Committee
BBCClub1 – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee
SABR Black Sox Symposium trading cards – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee
Cardboard Crosswalk: T205 Brooklyn Superbas and 1911 Spalding Guide – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee