- Author: Charles A. Dainoff, Robert M. Farley, Geoffrey F. Williams
- Language: English
- Year: 2023
- Author: Geoffrey Lee Williams Barkley Jared Jones (auth.)
- Language: English
- Year: 2001
- Author: Geoffrey Lee Williams Alan Lee Williams (auth.)
- Language: English
- Year: 1989
- Author: Geoffrey Lee Williams Alan Lee Williams (auth.)
- Language: English
- Year: 1986