The surprisingly long history of traded sets – SABR's Baseball Cards Research Committee
Mark Armour – SABR's Baseball Cards Research Committee
On the alluring promise of an unopened pack – SABR's Baseball
Profiles in Profiles – SABR's Baseball Cards Research Committee
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I'm sorry, Roger – SABR's Baseball Cards Research Committee
Revisiting the 1973 Set – The Ugliest Topps Baseball Set Ever
A Garr-eat Cause – SABR's Baseball Cards Research Committee
The surprisingly long history of traded sets – SABR's Baseball
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
The epitome of baseball card collecting – SABR's Baseball Cards
SABR's Baseball Cards Research Committee – Page 27
The surprisingly long history of traded sets – SABR's Baseball
The surprisingly long history of traded sets – SABR's Baseball
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
The surprisingly long history of traded sets – SABR's Baseball
The SABR Baseball List & Record Book: Baseball's Most Fascinating
