I'm sorry, Roger – SABR's Baseball Cards Research Committee
Baseball card megaproject – SABR's Baseball Cards Research Committee
The surprisingly long history of traded sets – SABR's Baseball
The surprisingly long history of traded sets – SABR's Baseball
Mark Armour – SABR's Baseball Cards Research Committee
Dodger-Giant double agents – SABR's Baseball Cards Research Committee
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
John Racanelli – SABR's Baseball Cards Research Committee
New member honors Hinchliffe with card set – SABR's Baseball Cards
SABR 50 at 50: Baseball Cards – Society for American Baseball Research