Giants-Cubs playoff history: How the 1989 NLCS was won – East Bay

The 1989 Giants and the Earthquake World Series - Mangin Photography Archive

1989 World Series - Wikipedia

Cubs-Giants NLDS: Will Clark jerseys bring back memories of epic 1989 NLCS

Flashback: Will Clark provides Giant thrill in historic 1989 playoff game – Crescent City Sports

The 1989 Giants and the Earthquake World Series - Mangin Photography Archive

1989 NLCS Game 2 San Francisco Giants at Chicago Cubs

1989 NLCS Game 4 Chicago Cubs at San Francisco Giants

1989 World Series, Game 3: Athletics @ Giants

1989 NLCS recap

Cubs rally to defeat Giants, advance to NLCS