Y.A. Tittle – The Official Website of The NFL Legend
Former 49ers quarterback Y.A. Tittle dies at 90
Pro Football Journal: October 2017
Y. A. Tittle PSA AutographFacts℠
Y.A. Tittle – The Official Website of The NFL Legend
Pro Football Journal: Boundless Enthusiasm While Chasing A Title: Y.A. Tittle
Y.A. Tittle sets passing records in NFL game
Y.A. Tittle Classic SI Photos - Sports Illustrated Vault
Y.A. Tittle, Hall of Fame quarterback who was in iconic photo, dies at 90
Pro Football Journal: October 2017
Former 49ers quarterback Y.A. Tittle dies at 90
y a tittle - First Edition - AbeBooks
Pro Football Journal: Boundless Enthusiasm While Chasing A Title: Y.A. Tittle
Former 49ers quarterback Y.A. Tittle dies at 90
Y. A. Tittle, American Football Wiki