1981 Topps Traded Baseball Checklist, Team Set Lists, Details
1981 Topps Baseball Checklist, Team Set Lists, Details, Box Info
1981 Coke & A Smile: Sutter, Durham and Reitz
Sullivan: Cubs, White Sox adapting to new MLB rules, including the
Cubs historical sleuthing: Leon Durham edition - Bleed Cubbie Blue
Chicago Cubs - Wikipedia
Leon Durham
1981 Topps Baseball Checklist, Team Set Lists, Details, Box Info
History of the Chicago Cubs - Wikipedia
1987 Donruss Chicago Cubs Baseball Card Team Set
Vintage cubs baseball - Gem
Chicago Cubs – BG Autographs
Leon Durham Memorabilia, Autographed Leon Durham Collectibles
Chicago Cubs Baseball 1981 Season Sports Trading Cards
1981 Topps # 756 T Leon Durham Chicago Cubs (Baseball