- Author: Walker David Daniel Gray
- Language: English
- Year: 2007
- Author: Charles G. Nauert
- Language: English
- Year: 2004
- Author: Iqtidar Alam Khan
- Language: English
- Year: 2008
- Author: Hsain Ilahiane
- Language: English
- Year: 2006
- Author: Corliss K. Slack
- Language: English
- Year: 2003
- Author: Helmut Holzhey
- Language: English
- Year: 2005
- Author: Catherine Villanueva Gardner
- Language: English
- Year: 2006
- Author: Carol Diethe
- Language: English
- Year: 2007
- Author: Paul D. Buell
- Language: English
- Year: 2003
- Author: Michael D. Bailey
- Language: English
- Year: 2003