Part II: Vince Lombardi's 10 greatest players
Baltimore Colts - Wikipedia
Y.A. Tittle, ex-49ers quarterback and NFL Hall of Famer, dies at 90 – East Bay Times
The backup QB who proved to be more than a second banana
Fact or Fiction: The most untouchable Giants records
Y.A. Tittle: The Legacy of a Texas HS Football Legend
The greatest QB rivalries in NFL history
1957 Pro Football All-Stars magazine, Y.A. Tittle, San Francisco 49ers VG
10 Best Wide Receivers in New York Giants History - Sports Illustrated
Giants Ring of Honor, Giants History
1957 Pro Football All-Stars magazine, Y.A. Tittle, San Francisco 49ers VG
San Francisco 49ers timeline: From Kezar to Candlestick to Levi's
Y. A. Tittle PSA AutographFacts℠
Former Giants, Rams receiver Del Shofner dies at 85 - The San Diego Union-Tribune