Books about Korchnoi and Karpov by Edward Winter

World Chess Championship 1978 - Wikipedia

Karpov-Korchnoi 1978 Depicted In 'The World Champion'

The champion of the world: Parapsychologists, sects and secret services: Remembering the most tense chess game in history, Culture

Anatoly Karpov plays against rival Viktor Korchnoi in the World Chess News Photo - Getty Images

Campeonato Mundial de Xadrez de 1981 – Wikipédia, a enciclopédia livre

Korchnoi Mirrored Sunglasses, 1978 World Chess championship : r/chess

Tenth Interpolis Chess Tournament in Tilburg; A. Karpov (l) against V. Korchnoi (r), October 21, 1986, chess, tournaments, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990

Victor Korchnoi, Soviet-born chess grandmaster, dead at 85

Anatoly Karpov vs Viktor Korchnoi (1978) Spanish Class

Karpov at 70: “My great blunder was I agreed to hold the match with Kasparov in the Soviet Union”