October 4, 1989: Giants' Will Clark has 'helluva week' in 1989 NLCS opener – Society for American Baseball Research
NLCS Gm1: Clark tallies four hits, six RBIs vs. Cubs
1989 Star Will Clark Baseball - Trading Card Database
1989 Star Will Clark Baseball - Trading Card Database
Will Clark 1989 Star Company #9 giants! wc22
1989 NLCS Gm5: Clark drives in a pair with a single
Giants' 1989 flashback: Will Clark, Kevin Mitchell a dynamic 1-2 punch
1989 World Series photos found: Giants, A's and a quake's shake