Tim Jenkins – SABR's Baseball Cards Research Committee
Play Ball 2022/Bay Area News Group edition by bayareanewsgroup1 - Issuu
How many Hall of Fame baseball players were never all stars? - Quora
April, 2019
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
Errors – SABR's Baseball Cards Research Committee
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
The Beta Theta Pi - Winter 1987 by Beta Theta Pi - Issuu
The power of the mustache
Customs – SABR's Baseball Cards Research Committee
Roberto Clemente - Wikiquote
2014 Kansas Baseball Media Guide by Kansas Jayhawks - Issuu