SABR Baseball Cards Research Committee – SABR's Baseball Cards Research Committee
Gus Zernial Philadelphia Athletics Baseball Sports Trading Cards & Accessories for sale
Gus Zernial (d.2011) Athletics Signed Autographed Vintage 1954 Topps #2 Card
PSA Magazine: 2022 August #008 by PSA Magazine - Issuu
1952 Topps Gus Zernial: Six Baseballs and a Pink Undershirt
PSA Magazine: 2022 June #006 by PSA Magazine - Issuu
Trading Card Lots, Sports Trading Cards, Sporting Goods - PicClick AU
Beckett Marketplace
The Phillies Room: January 2011