CardCorner: 1987 Topps Brett Butler
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Oral history: Loma Prieta earthquake hits A's-Giants 1989 World Series - San Francisco Chronicle
Oral history: Loma Prieta earthquake hits A's-Giants 1989 World Series - San Francisco Chronicle
The 1989 Giants and the Earthquake World Series - Mangin Photography Archive
1989 World Series - Wikipedia
Top 5 Players of the 1989 World Series — zmiller82 on Scorum
The 1989 Giants and the Earthquake World Series - Mangin Photography Archive
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Oakland Athletics Baseball - Athletics News, Scores, Stats, Rumors & More, ESPN