Thomas A. Carlson (ed.), "Bokhtan" in last modified January 14, 2014, http://syriaca.org/place/237
    
        
            
                
                    Bokhtan
                    A tributary of the Tigris which flows near Siirt.
          
                    http://syriaca.org/place/237
                    http://pleiades.stoa.org/places/874545
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        Map III, IV