- Author: Hoyland Robert G
- Language: English
- Year: 2001
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- Language: English
- Year: 2010
- Author: Crone Patricia
- Language: English
- Year: 2004
- Author: Hoyland Robert G
- Language: English
- Year: 2017
- Author: Butler Alfred Joshua, al-Tabari
- Language: English
- Year: 1913