Chess Daily News by Susan Polgar - Congratulations to Lajos Portisch on his 75th Anniversary
Interview with Lajos Portisch - YouTube
Lajos Portisch celebrates his 85th birthday
The chess games of Lajos Portisch
Douglas Griffin on Twitter: "Beverwijk, 24th Jan 1965. In final round of the Hoogovens tournament, Efim Geller (USSR) faces Antonio Medina Garcia (Spain). Looking on is Lajos Portisch (Hungary). Geller won this
Legendary Chess Careers: Lajos Portisch – Chess eBook – iChess.net
File:Lajos Portisch 1968.jpg - Wikimedia Commons
Clash of Generations: Portisch-Rapport | ChessBase
File:1e Ronde, Boris Spasky (l) en Lajos Portisch aan het begin van hun partij, Bestanddeelnr 930-5228.jpg - Wikimedia Commons