- Author: Keres Paul Petrovič, Littlewood John Eric
- Language: English
- Year: 1984
- Author: Littlewood John Eric
- Language: English
- Year: 2001
- Author: Littlewood John Eric, Pachman Ludĕk
- Language: English, German
- Year: 1975
- Author: Littlewood John Eric, Pachman Ludĕk
- Language: English, German
- Year: 1978