Baltimore Orioles Price List - Supercollector Catalog
Baseball Bench Coach
1976 SSPC The Shlabotnik Report
Topps – Page 4 – SABR's Baseball Cards Research Committee
John Stefero – Society for American Baseball Research
WHEN TOPPS HAD (BASE)BALLS!: February 2020
Dave McNally Baseball Cards
Montreal Expos Autographed Trading Cards, Signed Expos Trading Cards
Baseball History: Dave McNally
Celebrating the World Series Through 1970s Topps Cards - Sports
Boog Powell – Society for American Baseball Research
WHEN TOPPS HAD (BASE)BALLS!: February 2020
WHEN TOPPS HAD (BASE)BALLS!: September 2021
Mark Armour – SABR's Baseball Cards Research Committee