- Author: Jeremy Stranks
- Language: English
- Year: 2005
- Author: Michael Jefferson
- Language: English
- Year: 2007
- Author: Alex Carroll
- Language: English
- Year: 2007
- Author: Roger J. Smith
- Language: English
- Year: 2007
- Author: Roger J. Smith
- Language: English
- Year: 2007
- Author: Michael Jefferson
- Language: English
- Year: 2007
- Author: Darren Langdridge
- Language: English
- Year: 2003
- Author: Neil Storey
- Language: English
- Year: 2004
- Author: Chris Barnard
- Language: English
- Year: 2003
- Author: James N. Miller Jane C. Miller
- Language: English
- Year: 2010