- Author: Lyev Polugayevsky
- Language: English
- Year: 1995
- Author: Lyev Polugayevsky
- Language: English
- Year: 1991
- Author: Lyev Polugayevsky
- Language: English
- Year: 1991
- Author: Lyev Polugayevsky
- Language: English
- Year: 1995
- Author: Lyev Polugayevsky
- Language: English
- Year: 1995