- Author: Robert Glenn Davis
- Language: English
- Year: 2016
- Author: Robert Leigh Davis
- Language: English
- Year: 2020
- Author: Robert C. Davis, Garry R. Marvin
- Language: English
- Year: 2004
- Author: Cary D. Rostow, Robert D. Davis
- Language: English
- Year: 2004
- Author: Robert C. Davis
- Language: English
- Year: 2012
- Author: Robert L. Davis, Mark F. Shadle
- Language: English
- Year: 2007
- Author: James C. Conroy, David Lundie, Robert A. Davis, Vivienne Baumfield, L. Philip Barnes, Tony Gallagher, Kevin Lowden, Nicole Bourque, Karen Wenell
- Language: English
- Year: 2013
- Author: Robert Glenn Davis
- Language: English
- Year: 2016