On this date: Koufax repeats 18 K feat, by Mark Langill
Five things you didn't know about Sandy Koufax - Los Angeles Times
Dodgers' Scherzer gets 3,000th K, near perfecto vs Padres - The San Diego Union-Tribune
Sandy Koufax of the Los Angeles Dodgers smiles as he holds a baseball on May 12, 1963 symbolizing his second no-hitter in less than a year. He pitched his first no-hitter against
This Day In Dodgers History: Sandy Koufax Throws Perfect Game Against Cubs
Greatest moments in Dodger history No. 4: Sandy Koufax's perfect game - Los Angeles Times
Koufax achieves perfection
A Perfect Game and A Perfect Account: Koufax and Scully : We're History
Sandy Koufax Becomes The First Pitcher to Throw 4 No-Hitters September 9, 1965 - Baseball Sisco Kid Style