- Author: James W. Redhouse
- Language: English, Turkish
- Year: 1987
- Author: Ron Buckley
- Language: English
- Year: 2004
- Author: Dr. Al Tahir A. Hafiz
- Language: Arabic
- Year: 2004
- Author: Leslie J. McLoughlin
- Language: English
- Year: 1988
- Author: J. Spencer Trimingham
- Language: English
- Year: 1979
- Author: El-Said Badawi Martin Hinds
- Language: English
- Year: 2009