Petrosian's World Championship Immortal! - Best Of The 60s - Petrosian vs. Spassky, 1966

Tigran Petrosian's World Chess Championship matches against Boris Spassky were some of the best ever. Both sides displayed great chess and brilliant victories. Petrosian is renowned for his defensive and prophylactics skills, and those are on display in his analysis of this game as he underestimates

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Petrosian's World Championship Immortal! - Best Of The 60s - Petrosian vs. Spassky, 1966

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Boris Spassky vs Tigran V Petrosian (1966) We Are the Champions

The Art of Bisguier. Selected GaIDes - PDF Free Download

The Petrosian-Spassky World Championship Match (Moscow, 1966), with annotations by Tal, Boleslavsky, Bondarevsky, etc.

Petrosian - Spassky World Championship Match (1969) chess event