Tal, Petrosian, Spassky and Korchnoi - McFarland

Botvinnik - Petrosian World Championship Match 1963 - Chessentials

Petrosian - Spassky World Championship Match (1966) chess event

The chess games of Tigran V Petrosian

Chess Strategy and Tactics: Tigran Petrosian's Amazing Games

The best games of Tigran V. Petrosian - Woochess-Let's chess

Historical riddle: Petrosian vs Tal, Curacao 1962

9th world champion Tigran Petrosian would've turned 92 today! : r/chess

Petrosian could have held!

Black to move with forced mate in this game between Paul Keres and Tigran V. Petrosian, Bled 1959 : r/chess

1971 Candidates Tournament Archives - The Chess Website