Mikhail Botvinnik vs Tigran V Petrosian (1963)

Bobby Fischer Miscellanea by Edward Winter

Mikhail Botvinnik by Bill Wall

ChessBites - World Champions - Tigran Petrosian

Petrosian's Retreat Game: T.V. Petrosian vs. L. Aronin, Moscow 1961 – Chess Universe

Black and white portrait photograph of Tigran Vartanovich Petrosian – The Chess Collector

Petrosian vs. Botvinnik World Chess Championship 1963

Tigran Petrosian photos

Svetozar Gligoric: Grandmaster who challenged Soviet dominance, The Independent

Chess Again

Botvinnik versus Smyslov and Petrosian

World Championship Return Match : book by Mikhail Botvinnik