Craig Biggio Price List - Supercollector Catalog
Wild about checklists
Ryne Sandberg Checklist - Supercollector Catalog
Ryne Sandberg Baseball Trading Card Database
TV Sports Mailbag Sets
1990s Cincinnati Reds – The Writer's Journey
Ryne Sandberg Checklist - Supercollector Catalog
1991 '59 Topps Broder Set checklist - Supercollector Catalog
My Long Term Set Goal: 1993 Pinnacle Cooperstown Promo Set UPDATE, Griffey among others
Ryne Sandberg Baseball Cards by Baseball Almanac
Ryne Sandberg Checklist - Supercollector Catalog
Themes – SABR's Baseball Cards Research Committee