- Author: W. David Shaw
- Language: English
- Year: 2004
- Author: Dirk-Martin Grube
- Language: English
- Year: 2016
- Author: Paul Davis, Charlene Weaving
- Language: English
- Year: 2009
- Author: Jane Wiesner
- Language: English
- Year: 2015
- Author: William J. Meyer
- Language: English
- Year: 2015
- Author: Michael T. McRay, Desmond Tutu
- Language: English
- Year: 2015
- Author: Mylan Engel Jr., Gary Lynn Comstock
- Language: English
- Year: 2016
- Author: Beth L. Eddy
- Language: English
- Year: 2015
- Author: Dustin J. Byrd
- Language: English
- Year: 2015
- Author: Tad Waddington
- Language: English
- Year: 2007