Warren Spahn - Wikipedia
Mets Get Spahn as Player‐Coach After Promise to Use Left‐Hander as Starter;
Patience pays off for durable hurler Jim Kaat on way to Baseball Hall of Fame - Sports Collectors Digest
Roy Hartsfield – Society for American Baseball Research
Yogi Berra and Warren Spahn, teammates on the 1965 Mets : r/baseball
MLB All-Decade Team -- Who made our squad of baseball's best from 2010-2019? - ESPN
Cards That Never Were: More 1973 Alt-Topps
MLB 1950-59
1957 World Series
Yogi berra baseball hi-res stock photography and images - Alamy
Remembering Mets History (1965) Yogi Berra Comes Out of Retirement as A Player