PFRA PROFESSIONAL FOOTBALL RESEARCHERS ASSOCIATION
Rivalry Photos: Matchup History vs 49ers
San Francisco 49ers at Kezar Stadium - FoundSF
Preview: Giants not taking shorthanded 49ers lightly
Going deep: The best NFL game from every season
The 49ers at Kezar: A Closer Look - OpenSFHistory - Western Neighborhoods Project
49ers vs Detroit highlights 1961
49ers vs Chicago highlights 1961
San Francisco 49ers at Kezar Stadium - FoundSF
Niners' Hall of Fame tackle Bob St. Clair dies at 84
Rivalry Photos: Matchup History vs 49ers
San Francisco 49ers, American Football Wiki