Tom Seaver: Collecting 'The Franchise' - Sports Collectors Digest
My Player Collections – Jim Gantner – SABR's Baseball Cards Research Committee
Mark Armour – SABR's Baseball Cards Research Committee
Topps in 1972, Part 3 – SABR's Baseball Cards Research Committee
Tom Seaver Baseball Sports Trading Cards & Accessories for sale
Mark Armour – SABR's Baseball Cards Research Committee
My Player Collections – Jim Gantner – SABR's Baseball Cards Research Committee
Tom Seaver, Star of the Mets' Championship Team, Has Dementia - The New York Times
Tom Seaver Baseball Sports Trading Cards & Accessories for sale
Tom Seaver Baseball Sports Trading Cards & Accessories for sale
The 1967-68 Player Boycott of Topps – SABR's Baseball Cards Research Committee
Mark Armour – SABR's Baseball Cards Research Committee
Tom Seaver (1944-2020) – SABR's Baseball Cards Research Committee
Tom Seaver (1944-2020) – SABR's Baseball Cards Research Committee