History – SABR's Baseball Cards Research Committee
2000 Pacific Backyard Baseball Baseball - Trading Card Database
1998 Pacific Online Baseball Box Break, Review and Breakdown
History – SABR's Baseball Cards Research Committee
History – SABR's Baseball Cards Research Committee
2000 Pacific Humongous Entertainment Backyard Baseball 2001 - Food Issue [Base] #_SASO - Sammy Sosa
2000 Pacific Backyard Baseball Lot - 4 Cards
2000 Pacific Backyard Baseball White Border Samples checklist - Supercollector Catalog
2000-2009 Topps Baseball Cards Checklist - MIKE'S SPORTSCARDS BASEBALL CHECKLIST
2000 Pacific Backyard Baseball Baseball - Trading Card Database
Issue 14: Objects
2000 Pacific
DFWGrapher - Media
2000 Pacific Backyard Baseball Lot - 4 Cards
2001 Pacific Humongous Entertainment Backyard Baseball Mark McGwire Cardinals