- Author: Robert J. Norris, William D. Hicks, Kevin J. Mullinix
- Language: English
- Year: 2023
- Author: Robert J. Norris
- Language: English
- Year: 2017
- Author: Robert S. Norris
- Language: English
- Year: 2014
- Author: Robert S. Norris
- Language: English
- Year: 2002
- Author: Robert S. Norris
- Language: English
- Year: 2002
- Author: Robert D. Norris (Author)
- Year: 1994
- Author: Davis Robert E., Norris Mark, Pengelly Alan
- Language: English
- Year: 2000
- Author: Robert W. Norris
- Language: English
- Year: 2005