1969–1980 – SABR's Baseball Cards Research Committee
C.A.: 1975 Topps Reggie Jackson
1986 Big Apple California All-Stars checklist - Supercollector Catalog
Dave Winfield Price List - Supercollector Catalog
1987 The Press Box NY Mets Checklist - Supercollector Catalog
1986 Big Apple Mets / Yankees (Unlicensed) Baseball - Trading Card Database
How Upper Deck did the '70s
At least it's colorful
History – SABR's Baseball Cards Research Committee
Rickey Henderson Collectors Thread, Page 93
1986 Big Apple Mets / Yankees (Unlicensed) Baseball - Trading Card Database
56 of the month: Hank Bauer
1986 Big Apple Mets / Yankees (Unlicensed) Baseball - Gallery
1986 Big Apple The Award Winners 'MVPs' checklist - Supercollector Catalog