1957 Vintage NFL Programs for sale
The Nation's Game: The NFL from the Pro Football Hall of Fame
NFL Draft History: Super Bowl stars occupy top spots on 49ers list — Inside The Hashes
October 20 1957 NFL Program Los Angeles Rams at Chicago Bears VGEX
1957 San Francisco 49ers season, American Football Database
NFC team-by-team betting capsules: Contender or pretender?, Betting
Howard (Red) Hickey - 1957 San Francisco 49ers Team Issue Football Card #19 : Collectibles & Fine Art
The 49ers at Kezar: A Closer Look - OpenSFHistory - Western Neighborhoods Project
49ers announce team award recipients: Nick Bosa wins the “Bill Walsh award” - Niners Nation
Love This : 1957 San Francisco 49ers vs New York Giants Pro Football Program
1957 San Francisco 49ers vs New York Giants Pro Football Program
49ers 5 keys to upsetting NFC West-leading Los Angeles Rams
San Francisco 49ers - Wikipedia