- Author: Brian Wright
- Language: English
- Year: 2008
- Author: Brian A. Elliott
- Language: English
- Year: 2000
- Author: Eberhard Sauer
- Language: English
- Year: 2003
- Author: Aidan O'Sullivan Colin Breen
- Language: English
- Year: 2007
- Author: Brian A. Elliot
- Language: English
- Year: 2000
- Author: Aline S. Taylor
- Language: English
- Year: 2002
- Author: Thomas Green, Caitlin Green
- Language: English
- Year: 2007
- Author: Peter Rex, Tempus Publishing
- Language: English
- Year: 2004
- Author: Gillian Pugh
- Language: English
- Year: 2007
- Author: John Barratt
- Language: English
- Year: 2002