Thomas A. Carlson (ed.), "Ṭabaristān" in last modified June 30, 2014, http://syriaca.org/place/728
    
        
            
                
                    Ṭabaristān
                    طَبَرِستان
                    
                        Attestation of name طَبَرِستان in the Muʿjam al-buldān of Yāqūt al-Ḥamawī.
                        
                    
                    
                    http://syriaca.org/place/728
                    http://en.wikipedia.org/wiki/Tabaristan
                    http://dbpedia.org/resource/Tabaristan
                    
                        
              David Wilmshurst
            
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        17, 344
                        
                    
                    
                        Muʿjam al-buldān
                        
              Yāqūt al-Ḥamawī
            
                        
                        IV:14