1989 Topps baseball errors: The comprehensive list
1989 Topps Baseball Checklist, Set Info, Key Cards, Boxes, More
A Guide To 1989 Topps Error Cards
1989 Topps Baseball Checklist, Set Info, Key Cards, Boxes, More
Errors / Variations Gallery - 1989 Topps Baseball
1989 Topps
1989 Topps Baseball - Trading Card Database
Errors / Variations Gallery - 1989 Score Baseball
1989 Topps Baseball - Trading Card Database