- Author: Malise Ruthven
- Language: English
- Year: 2012
- Author: David Blockley
- Language: English
- Year: 2012
- Author: Gowers Timothy
- Language: English
- Year: 2002
- Author: Ruthven Malise
- Language: English
- Year: 2012
- Author: Arnold Dana
- Language: English
- Year: 2004
- Author: Miller David
- Language: English
- Year: 2003
- Author: Christopher Tyerman
- Language: English
- Year: 2005
- Author: Tyerman Christopher
- Language: English
- Year: 2005
- Author: Arnold Dana
- Language: English
- Year: 2004
- Author: Ashley Jackson
- Language: English
- Year: 2013