Thomas A. Carlson (ed.), "Tehran" in last modified June 30, 2014, http://syriaca.org/place/875
    
        
            
                
                    Tehran
                    Teheran
                    طِهْران
                    
                    
                        Attestation of name طِهْران in the Muʿjam al-buldān of Yāqūt al-Ḥamawī.
                        
                    
          
                    http://syriaca.org/place/875
                    http://pleiades.stoa.org/places/599986393
                    http://en.wikipedia.org/wiki/Tehran
                    http://en.wikipedia.org/wiki/Tehran
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        92, 214
                    
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        361, 363, 364
                        
                    
                    
                        Muʿjam al-buldān
                        Yāqūt al-Ḥamawī
                        
                        IV:58