September 20, 1961: Roger Maris hits 59th home run as Yankees clinch pennant – Society for American Baseball Research
Pursuit of No. 60: The Ordeal of Roger Maris - Sports Illustrated Vault
Tracy Stallard, Who Gave Up Historic Maris Homer, Dies at 80 - The New York Times
Aaron Judge hits 61st home run, ties Roger Maris' American League record
Lot Detail - 1961 Roger Maris 61st Home Run Ticket from October 1, 1961 - Right Field Ticket Where Home Run Was Hit (PSA FAIR 1.5)
Aaron Judge Could be the Crossover Star Baseball Needs
Roger Maris's Misunderstood Quest to Break the Home Run Record - The Atlantic
Roger Maris' $5,000 advice to Sal Durante, who caught his 61st homer
Milestone Balls Leave Fans With a Choice: Return It Or Sell? – NBC New York
Sal Durante, who caught Roger Maris' 61st home run, dead at 80
TSN Archives: Why Roger Maris' 60th homer caused a controversy (Oct. 4, 1961, issue)
Sal Durante- Caught Roger Maris' 61st Home Run
Sal Durante, who caught Roger Maris' 61st home run, dead at 80
How newspapers covered Roger Maris' 61st homer
Roger Maris 1961 - 61st Home Run as Called by Red Barber, WPIX-TV, 10/1/1961