Tee-Ball All-Star – SABR's Baseball Cards Research Committee
Bert Blyleven Autographed Autographed Cards, Signed Bert Blyleven
2021 Topps Heritage Baseball Checklist, Set Info, Variations, Boxes
Mickey Mantle / Blowout Buzz
Keller's Kollectibles Online/Onsite Auction Service Auction
1992 Topps Overview Lifetime Topps project
Autographed BERT BLYLEVEN 2001 Upper Deck Decades the 70's Card
Baseball Cards Trouble with the Curve
Set Building – Page 3 – SABR's Baseball Cards Research Committee
Zisk Online: March 2005
Stephen Dorman