- Author: Jack C. Richards Chuck Sandy
- Language: English
- Year: 2000
- Author: Dr. Patricia Bazeley Professor Lyn Richards
- Language: English
- Year: 2000
- Author: Jacqueline Scott Judith Treas Martin Richards
- Language: English
- Year: 2003
- Author: Mark Richards
- Language: English
- Year: 2006
- Author: Robert Richards
- Language: English
- Year: 2006
- Author: Greg Richards
- Language: English
- Year: 2004
- Author: Dick Richards
- Language: English
- Year: 2005
- Author: Craig Walls Norman Richards
- Language: English
- Year: 2004
- Author: Richards J. Heuer Jr.
- Language: English
- Year: 1999
- Author: Robert J. Richards Michael Ruse
- Language: English
- Year: 2009