- Author: Robert Arp, Arthur Caplan
- Language: English
- Author: Robert Arp, Heather L. Rivera
- Language: English
- Year: 2020
- Author: Robert Arp, Kevin S. Decker, William Irwin
- Language: English
- Year: 2013
- Author: Robert Arp
- Language: English
- Year: 2006
- Author: Robert Arp (editor)
- Language: English
- Year: 2016
- Author: White Mark D., Robert Arp
- Language: English
- Year: 2009
- Author: Mark D. White, Robert Arp
- Language: English
- Year: 2008
- Author: Mark D. White, Robert Arp
- Language: English
- Year: 2008
- Author: Robert Arp
- Language: English
- Year: 2017
- Author: Robert Arp (editor)
- Language: English
- Year: 2013