World Chess Championship 1966 - Wikipedia

Tigran Petrosian vs Boris Spassky, World Chess Championship 1966

Bobby Fischer: Icon Among Icons, Photographs by Harry Benson CBE by World Chess Hall of Fame - Issuu

Boris Spassky vs Tigran V Petrosian - Game 1

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

1971 Buenos Aires, ARG - Fischer vs Petrosian – Chess Universe

Belgrade, Round 2: Fischer beats Petrosian, Spassky crushes Larsen

Could Petrosian have held against Fischer?

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

Exercises in Style (3/4): Solutions

Tigran Petrosian — Learning from the Legends - TheChessWorld