- Author: Paul G. Harris
- Language: English
- Year: 2016
- Author: Paul G. Harris (editor), Patricia D. Siplon (editor)
- Language: English
- Year: 2007
- Author: Paul L. Harris
- Language: English
- Year: 2012
- Author: Paul G. Harris
- Language: English
- Year: 2012
- Author: Paul G. Harris (editor)
- Language: English
- Year: 2011
- Author: Jo Alyson Parker, Paul André Harris, Christian Steineck
- Language: English
- Year: 2010
- Author: Paul G. Harris
- Language: English
- Year: 2009
- Author: Paul G. Harris
- Language: English
- Year: 2013
- Author: Paul E Harris
- Language: English
- Year: 2020