1988 Pittsburgh Pirates Team Multi Signed Baseball f/ Bonds, Bonilla, Van Slyke+
Barry Bonds – Society for American Baseball Research
September 14, 1988: Bobby Bonilla ends homer drought with extra-inning clout for Pirates victory – Society for American Baseball Research
Division title in 1990 capped Pirates' turnaround, John Sacco
1989 PITTSBURGH PIRATES Topps COMPLETE Baseball Team Set 32 Cards BONDS BONILLA!
Jim Leyland – Society for American Baseball Research
Bonds will be missed in Pittsburgh
The night the Pirates died: Pittsburgh baseball hasn't recovered from Francisco Cabrera, Sid Bream and the Braves' NLCS comeback
1988 Topps Baseball Pittsburgh Pirates - Team Set (28) - NM/MT Condition - Read
Pranks, panic, power: Tales of Barry Bonds' magical years in Pittsburgh - The Athletic