1969–1980 – SABR's Baseball Cards Research Committee
mark grace topps Values - MAVIN
Mark Grace Checklist - Supercollector Catalog
2020 Topps Triple Threads Random Player 18-box Break - 5 NAMES
2016 Topps Series 1 Baseball Details, Checklist
Mark Grace Price List - Supercollector Catalog
Mark Grace Checklist - Supercollector Catalog
Wrigley Wax: September 2012
Topps Mark Grace Baseball Trading Cards