
- Author: Prit Buttar
- Language: English
- Year: 2014

- Author: Andrew Roberts
- Language: English
- Year: 2014

- Author: Jeffrey Cox
- Language: English
- Year: 2014

- Author: Derrick Wright Gordon Rottman
- Language: English
- Year: 2008

- Author: Derrick Wright Gordon Rottman
- Language: English
- Year: 2008

- Author: Michael Walling
- Language: English
- Year: 2012

- Author: Terry Crowdy
- Language: English
- Year: 2008

- Author: Terry Crowdy
- Language: English
- Year: 2008

- Author: Ian Senior
- Language: English
- Year: 2012

- Author: Brian J. Ford
- Language: English
- Year: 2013