- Author: Paul F. State
- Language: English
- Year: 2004
- Author: Paul F. State
- Language: English
- Year: 2010
- Author: Paul F. State
- Language: English
- Year: 2008
- Author: Paul F. State
- Language: English
- Year: 2009
- Author: Paul F. State
- Language: English
- Year: 2010