- Author: William Irwin Richard Brown Kevin S. Decker
- Language: English
- Year: 2009
- Author: Gregory Bassham William Irwin Henry Nardone James M. Wallace
- Language: English
- Year: 2010
- Author: William Irwin Sharon Kaye
- Language: English
- Year: 2010
- Author: William Irwin Mark T. Conard Aeon J. Skoble
- Language: English
- Year: 2001
- Author: William Irwin
- Language: English
- Year: 2000
- Author: Eric Bronson William Irwin
- Language: English
- Year: 2011
- Author: William Irwin Jason P. Blahuta Michel S. Beaulieu
- Language: English
- Year: 2009
- Author: William Irwin Kristopher G. Phillips J. Jeremy Wisnewski
- Language: English
- Year: 2011
- Author: Kevin S. Decker Jason T. Eberl William Irwin
- Language: English
- Year: 2005
- Author: William Irwin
- Language: English
- Year: 2011