Super Bowl XXIII - Wikipedia
Flashback: Bengals vs. 49ers in Super Bowl XXIII
Sunday Night Football on NBC - ON THIS DAY (January 22, 1989): The San Francisco 49ers won Super Bowl XXIII, 20-16 against the Cincinnati Bengals #tbt
Flashback: Bengals vs. 49ers in Super Bowl XXIII
Chiefs Host Bengals, 49ers At Rams for Spots in Super Bowl - Bloomberg
49ers-Rams playoff history: 1989 NFC Championship preceded by 3 games
Super Bowl: Ranking the teams that haven't won it by how close they came
Bengals top Chiefs 27-24 in OT to clinch Super Bowl trip