- Author: Vasters Clemens F
- Language: English
- Year: 2001
- Author: Hallberg Bruce A
- Language: English
- Year: 2010
- Author: Hallberg Bruce A
- Language: English
- Year: 2010
- Author: Tom Sheldon Thomas Sheldon
- Language: English
- Year: 2001
- Author: Marc Farley
- Language: English
- Year: 2000
- Author: Ron Gilster
- Language: English
- Year: 2008
- Author: Nick Cavalancia
- Language: English
- Year: 2008
- Author: Wale Soyinka
- Language: English
- Year: 2009
- Author: Dale Bulbrook
- Language: English
- Year: 2001
- Author: Guy Hart-Davis
- Language: English
- Year: 2011