Clash of Champions: Smyslov vs. Botvinnik

After Alekhine's death and the subsequent 1948 world championship tournament (covered in my article last week), the chess world began the three-year world championship cycle, which would continue in relatively orderly fashion until Kasparov and Short broke away from FIDE in 1993 and the world of top-level

Chess Daily News by Susan Polgar - Ray Keene obituary of Andor

world chess championship 1957 - AbeBooks

Shah Mat

Smyslov-Spassky (29th USSR-ch, Baku 1961), with annotations by

Botvinnik versus Smyslov and Petrosian: Four World Chess

The Clash of Antipodes. Botvinnik vs Bronstein 1951. Game 1

Clash of Champions: Tal vs. Botvinnik

Clash of the Champions: Botvinnik-Smyslov (1958 Rematch

Paul Keres V: The 1948 World Championship