2) Sandy Koufax 1956 Topps & 1963 Topps Hand Signed Baseball Cards Psa 10
Sold at Auction: A 1955 Topps Sandy Koufax Rookie Baseball Card No. 123 (PSA 3 VG)
Sandy Koufax - Cooperstown Expert
Sandy Koufax Signed Dodgers 8x10 Photo (Beckett)
Getting Sandy Koufax's autograph was worth the risk - Newsday
Sixty years ago, the Dodgers signed Sandy Koufax and his magical curveball
A biography of Hall of Fame baseball player Sandy Koufax - the greatest left-handed pitcher in Dodgers history.
Sandy Koufax [Book]
Shortstops: Art of the Card
Sandy Koufax Signed Legends Magazine PSA/DNA Los Angeles Dodgers Autog – Golden State Memorabilia
Sandy Koufax Baseball Cards: The Ultimate Collector's Guide - Old Sports Cards
The Incomparable Career of Sandy Koufax - The Atlantic
Testing the Koufax Curse: How 18 Jewish Pitchers, 18 Jewish Hitters, and Rod Carew Performed on Yom Kippur – Society for American Baseball Research
Sandy Koufax - Trading/Sports Card Signed