J. M. Fiey, Jeanne-Nicole Mellon Saint-Laurent and Nathan P. Gibson, (eds.), "The Encyclopaedia of Islam." in The Encyclopaedia of Islam. last modified April 25, 2016, http://syriaca.org/bibl/1305
    
        
            
                
                    
                        H. A. R
                        Gibb
                    
                    
                        P. J
                        Bearman
                    
                    The Encyclopaedia of Islam.
                    http://syriaca.org/bibl/1305
                    49
                    http://zotero.org/groups/392292/items/2PCKHMT2
                    http://www.worldcat.org/oclc/399624
                    90-04-12756-9
                    978-90-04-12756-2
                    90-04-16121-X
                    978-90-04-16121-4
                    90-04-08114-3
                    978-90-04-08114-7
                    90-04-07026-5
                    978-90-04-07026-4
                    90-04-08118-6
                    978-90-04-08118-5
                    90-04-05745-5
                    978-90-04-05745-6
                    90-04-07819-3
                    978-90-04-07819-2
                    90-04-08112-7
                    978-90-04-08112-3
                    90-04-09419-9
                    978-90-04-09419-2
                    90-04-09834-8
                    978-90-04-09834-3
                    90-04-10422-4
                    978-90-04-10422-8
                    90-04-11211-1
                    978-90-04-11211-7
                    90-04-13974-5
                    978-90-04-13974-9
                    90-04-14448-X
                    978-90-04-14448-4
                    
                        Leiden
                        Brill
                        1954