- Author: Rob Harris Peter Williams Tony Griffin
- Language: English
- Year: 2002
- Author: Peter Williams
- Language: English
- Year: 2007
- Author: Rob Harris Peter Williams Tony Griffin
- Language: English
- Year: 2002
- Author: Peter Williams
- Language: English
- Year: 2001
- Author: Peter Williams
- Language: English
- Year: 2001
- Author: Peter Williams
- Language: English
- Year: 2004
- Author: Peter Williams
- Language: English
- Year: 2007
- Author: Peter Williams Julian Ketley and George Salmond (Eds.)
- Language: English
- Year: 1998
- Author: Peter Williams
- Language: English
- Year: 2007