- Author: Ryan E. Davis
- Language: English
- Year: 2011
- Author: Ryan W. Davis, Mitchell S. Komaiko
- Language: English
- Year: 2002
- Author: Ryan A. Davis (auth.)
- Language: English
- Year: 2013
- Author: Ryan A. Davis
- Language: English
- Year: 2013
- Author: Ryan L. Davis Carolyn M. Sue
- Language: English
- Year: 2011
- Author: Alina Uzelac, Ryan W Davis
- Language: English
- Year: 2003
- Author: Ryan W. Davis Mitchell S. Komaiko Barry D. Pressman
- Language: English
- Year: 2002