1961 Topps Roger Maris
Roger Maris 1961 Season Baseball Cards for sale
Mickey Mantle: The Ever-Shining New York Yankees Star
Rare SI Photos of Roger Maris - Sports Illustrated
Roger Maris - Wikipedia
A look at Mickey Mantle's best baseball cards, PWCC Marketplace - PWCC Definitive Guides
The 1961 homerun chase: Mickey Mantle (no.7) and Roger Maris (no.9) at home plate in 1961. Maris finished the season with 61 homeruns, Mantle the runner up with 54. : r/baseball
Roger Maris - Wikipedia
History Bites: 1961 Home Run Chase
Original Photo from Roger Maris' 61st Homer Among Many Historic Shots Up for Bid
List of Major League Baseball annual home run leaders - Wikipedia