1974 Topps
Open up, it's the police cards!
1974 Topps Baseball Cards Checklist, Set Info, Key Cards, Boxes
1972 Topps Baseball Checklist — WaxPackHero
1972 Topps Fred Norman
Tom Seaver – Society for American Baseball Research
1972 Topps Baseball Cards Set checklist, prices, values & information
1974 Topps Baseball Cards Checklist, Set Info, Key Cards, Boxes
1970 Topps Baseball Card Checklist – Vintage Set Review – – Sports