Dennis Rasmussen - BallNine
1977 Topps The Shlabotnik Report
Cardboard appreciation: 1981 Topps 1980 NL Championships
Glenn Burke Cardboard Gods
NewYorkPostJuly142022_downmagaz.net - York post-N't-York city
2021 UCLA Baseball Information Guide by UCLA Athletics - Issuu
Media Guide - GoStanford.com
Mark Fidrych Cardboard Gods
San Diego Padres team ownership history – Society for American Baseball Research
2013 Stetson Baseball Guide by Stetson University Athletics - Issuu
Dennis Rasmussen - BallNine