Roger Maris Baseball Cards: The Ultimate Collectors Guide - Old Sports Cards
Roger Maris: Against All Odds
TSN Archives: Why Roger Maris' 60th homer caused a controversy (Oct. 4, 1961, issue)
With Judge Closing on 60 HRs, Recalling When Maris Chased Ruth's Mark in Baltimore
I'm sorry, Roger – SABR's Baseball Cards Research Committee
MLB Roger Maris Signed Trading Cards, Collectible Roger Maris Signed Trading Cards
MLB Roger Maris Signed Trading Cards, Collectible Roger Maris Signed Trading Cards
West Brighton man shares his original Roger Maris baseball card, recalls living through 1961 home run chase
I'm sorry, Roger – SABR's Baseball Cards Research Committee
Boston Red Sox Nation: Archives
Roger Maris Baseball Trading Card Database
Roger Maris and Mickey Mantle Old baseball cards, Yankees baseball, Baseball cards
Topps Roger Maris New York Yankees Baseball Sports Trading Cards for sale
MLB Roger Maris Signed Trading Cards, Collectible Roger Maris Signed Trading Cards
Maris and Ruth: Was the Season Games Differential the Primary Issue? – Society for American Baseball Research