- Author: Martin Gardner
- Language: English
- Year: 1995
- Author: Murray Klamkin
- Language: English
- Year: 1989
- Author: Leonard Gillman
- Language: English
- Year: 1987
- Author: Martin Gardner
- Language: English
- Year: 1995
- Author: Murray Klamkin
- Language: English
- Year: 1989
- Author: P. R. Halmos
- Language: English
- Year: 1991
- Author: Martin Gardner
- Language: English
- Year: 1995
- Author: Gian-Carol Rota
- Language: English
- Year: 1979
- Author: Ivan Morton Niven
- Language: English
- Year: 1961
- Author: Martin Gardner
- Language: English
- Year: 1995