From the Archive - San Francisco Chronicle
49ers-game rowdiness dates back to Kezar
Pain is the price of glory for many old-time football players – East Bay Times
COACH WYATT'S NEWS YOU CAN USE
Those “Plucky” Forty-Niners: The Roots of Pro Football in San Francisco - FoundSF
Larry Schmitt, Author at Big Blue Interactive - Page 2 of 3
Those “Plucky” Forty-Niners: The Roots of Pro Football in San Francisco
San Francisco 49ers - Wikipedia