History of the Chicago Cubs - Wikipedia
Cardboard appreciation: 1977 Topps Carlton Fisk
Most Valuable Rookie Card in Every Topps Baseball Set, 1952-2020
Most Valuable Rookie Card in Every Topps Baseball Set, 1952-2020
John Racanelli – SABR's Baseball Cards Research Committee
HSAuction_August2012.. - Huggins & Scott
Bruce Sutter Cards, Rookie, Autographed Memorabilia Guide
John Racanelli – SABR's Baseball Cards Research Committee
Bruce Sutter Chicago Cubs MLB Original Autographed Items for sale