The Twins Almanac – The History of the Minnesota Twins, One Day at a Time
Card of the Day: 1981 Fleer/Donruss Bert Blyleven – PBN History
Al Worthington – The Twins Almanac
1991 Topps Baseball Card Checklist
Bert Blyleven Trading Cards: Values, Tracking & Hot Deals
Montana DuRapau Baseball Stats by Baseball Almanac
Tee-Ball All-Star – SABR's Baseball Cards Research Committee
Collection of 48 Bert Blyleven baseball cards. One is an unusual oversized Donruss, all are in excellent condition.
Collection of 48 Bert Blyleven baseball cards. All in very good shape!
Bert Blyleven Trading Cards: Values, Tracking & Hot Deals