J. M. Fiey, Jeanne-Nicole Mellon Saint-Laurent and Nathan P. Gibson, (eds.), "Syriac and Arabic documents regarding legislation relative to Syrian asceticism." in Syriac and Arabic documents regarding legislation relative to Syrian asceticism. last modified April 25, 2016, http://syriaca.org/bibl/1330
    
        
            
                
                    
                        Arthur
                        Vööbus
                    
                    Syriac and Arabic documents regarding legislation relative to Syrian
                asceticism.
                    http://syriaca.org/bibl/1330
                    138
                    http://zotero.org/groups/392292/items/AE6B2J3H
                    http://www.worldcat.org/oclc/579764
                    
                        Stockholm
                        Etse
                        1960