1990 World Series Game 1 - Cincinnati Reds vs. Oakland Athletics - Red Reporter
THE BIG SWEEP - Sports Illustrated Vault
10 biggest trades in Oakland A's history
1990 WS, Gm 4: CIN@OAK, 10/20/1990
103: 1990 World Series - Outfield Fly Rule
1990 World Series recap
Reds sweep 1990 World Series Enquirer historic front pages from Oct. 21
1990 World Series recap
Reds history: Cincinnati was the team to participate in tripleheader
That's Amaury News and Commentary: Memories of Oakland (No 9 in Series) Glory Years –1988,1989,1990 World Series – Sports Radio Service
October 20, 1990: On this date in Reds history, the Reds shocked the baseball world by completing a four-game World Series sweep over the heavily favored Oakland Athletics with a 2-1 victory
Tom Browning, Who Pitched a Perfect Game for the Reds, Dies at 62 - The New York Times