Robert Edward Auctions - The Premiere Sports Auction House
Bert Blyleven 1980 Topps Base #457 Price Guide - Sports Card Investor
BERT BLYLEVEN 1974 Topps 98 Baseball Card Minnesota Twins
Unsigned Baseball Cards - Year and Brand - 1981 Topps Traded
Card of the Day: 1981 Fleer/Donruss Bert Blyleven – PBN History
Card of the Day: 1981 Fleer/Donruss Bert Blyleven – PBN History
Twins Profiles Archives – The Twins Almanac
1981 Topps Traded Bert Blyleven Baseball Card #738 NM-MT FREE
bert blyleven topps Values - MAVIN