- Author: Bruce Powel Douglass
- Language: English
- Year: 2009
- Author: Bruce Powel Douglass
- Language: English
- Year: 2014
- Author: Bruce Powel Douglass (Auth.)
- Language: English
- Year: 2014
- Author: Bruce Powel Douglass
- Language: English
- Year: 2002
- Author: Bruce Powel Douglass
- Language: English
- Year: 2007
- Author: Bruce Powel Douglass
- Language: English
- Year: 2010
- Author: Bruce Powel Douglass
- Language: English
- Year: 2002