Kasparov versus Deep Thought 1989 - Chessprogramming wiki

Herbert Simon - Chessprogramming wiki

Machines That Play (Chess — Before Deep Blue)

Kasparov versus Deep Blue 1996 - Chessprogramming wiki

Chess - Wikipedia

Deep Blue - Chessprogramming wiki

Jeopardy! - On this day in 1996, world chess champ Garry Kasparov was defeated by IBM supercomputer Deep Blue. Who remembers this historic match? - with Mental Floss

Deep Thought - Chessprogramming wiki

Computer chess - Wikipedia

Chess Art: Kasparov vs. Deep Blue - Timo Denk's Blog

Deep Blue - Chessprogramming wiki

Chess computer wins game against champ, February 10, 1996 - EDN

Feng-hsiung Hsu - Chessprogramming wiki

KASPAROV BEATS DEEP THOUGHT - The New York Times