Y.A. Tittle: Hall of Fame Football Quarterback
Y. A. Tittle - Inscribed Signature
Y.A. Tittle, Giants great and NFL Hall of Famer, dead at 90 - Newsday
Hall of Fame quarterback Y.A. Tittle dies at 90
Football legend, Hall of Famer Y.A. Tittle dies at age 90 – Crescent City Sports
In memoriam: 2017 Notable Sports Deaths
Y.A. Tittle – The Official Website of The NFL Legend
Y.A. Tittle, Quarterback Who Led Giants to 3 Title Games, Dies at 90 - The New York Times