
- Author: John Bailey
- Language: English
- Year: 2003

- Author: John Bailey
- Language: English
- Year: 2003

- Author: Cauê Teixeira
- Language: Portuguese
- Year: 2015

- Author: Dr Paulo Gentil
- Language: Portuguese
- Year: 2014

- Author: Al-Khatib Al-Baghdadi
- Language: English
- Year: 2012

- Author: Charles Landry David Morley Russell Southwood Patrick Wright
- Language: English
- Year: 1985

- Author: James Marshall Crotty
- Language: English
- Year: 1997