John Racanelli – SABR's Baseball Cards Research Committee
12 Most Valuable Baseball Cards Ever
Rare Honus Wagner Baseball Card Sells for $1.2 Million
Ted Williams' Baseball Hall of Fame ring sells for $444K to top Heritage's Spring auction - Sports Collectors Digest
12 Most Valuable Baseball Cards Ever
25 Most Valuable Baseball Cards: The All-Time Dream List - Old Sports Cards
$2.8 Million Baseball Card1909-Honus Wagner
Rare Honus Wagner baseball card may sell for more than $1.2M on auction block
PSA Magazine: 2023 April #016 by PSA Magazine - Issuu
Honus Wagner - The Most Expensive Baseball Card Ever! – Annex Baseball Blog
Rare Vintage Honus Wagner Pittsburg Baseball Card in Beautiful Display Rp
Super Rare Honus Wagner Card Hits Auction Block, Expected To Sell For Over $1.2 MIL!!