Anatoly Karpov Unofficial Page Features biography, matches, books, and tournaments. http://www.geocities.com/karpovchess/
Karpov Games: 1960-1998 Click to download zip file (.PGN format). ftp://ftp.pitt.edu/group/chess/PGN/Players/karp4-pg.zip
World Chess Championship 1978: Karpov - Korchnoi Includes PGN games and commentary from this title match. http://www.mark-weeks.com/chess/7678$wix.htm
World Chess Championships 1984-1990: Kasparov - Karpov Features commentary, games, and links for all five world championship matches between these two. http://www.geocities.com/Colosseum/Loge/3076/