The SABR Baseball List & Record Book: Baseball's Most Fascinating Records and Unusual Statistics: Society for American Baseball Research: 9781416532453: : Books
Ty Cobb Baseball Cards: The Definitive Guide
The Deaths of Dick McAuliffe, Jim Ray Hart and Ron Theobald
SABR's Baseball Cards Research Committee
Baseball Research Journal (BRJ), Volume 50 #2: Society for American Baseball Research (SABR): 9781970159394: : Books
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
National Baseball Hall of Fame and Museum Education Department
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
The Forgotten Hall of Fame Candidate
News - West Coast League