Best rivalries in New York Giants history
NFL in NYC: pro football's history in the five boroughs - Curbed NY
Giants-49ers playoff rivalry began with Joe Montana leading San Francisco to victory in 1982
49ers vs. Rams history, records, stats for NFC West rivals
Ranking the NFL's best rivalries: Where does Colts-Pats fit? - ESPN
NFL's Best Rivalries - Sports Illustrated
Finding the Next Great NFL Rivalry - The Ringer
Old Friends: Giants and Redskins Rivalry 1936-1946
Top 15 best NFL rivalries in league history: all-time ranking
NFL: The 49ers Used to Be a Given - WSJ
Will New York Giants' Oshane Ximines become a breakout star?
Why 49ers great Roger Craig deserves Hall of Fame selection
NFL's Best Rivalries - Sports Illustrated
How The Giants/Redskins Rivalry of the 1980's Shapes The Rivalry of Today!