Card back countdown: #22 - 1981 Topps
1981 Topps 1980 NL Championships #402 NM-MT or Better Philadelphia
1981 Topps Baseball Checklist, Team Set Lists, Details, Box Info
1980-81 Topps Basketball: Collecting and Enjoying Separated Cards
1980-81 Topps Basketball Checklist, Set Info, Boxes, Reviews
25 Most Valuable 1980 Topps Baseball Cards - Old Sports Cards
Warren Brusstar
1981 Topps Baseball Cards — 15 Most Valuable … PLUS Bonus Listings
Cardboard appreciation: 1973 Topps Luis Alvarado
1981 Topps Baseball Checklist, Team Set Lists, Details, Box Info