- Author: Robert B. Thomas
- Language: English
- Year: 2008
- Author: Robert B. Thomas
- Language: English
- Year: 1995
- Author: Robert B. Thomas
- Language: English
- Year: 2009
- Author: Robert B. Thomas
- Language: English
- Year: 2004
- Author: Robert B. Thomas
- Language: English
- Year: 2011
- Author: Robert B. Thomas
- Language: English
- Year: 1998
- Author: Robert B. Thomas
- Language: English
- Year: 2000
- Author: Robert B. Thomas
- Language: English
- Year: 2021
- Author: Robert B. Thomas
- Language: English
- Year: 1998
- Author: Robert B. Thomas
- Language: English
- Year: 2009