(eds.), "Iṣṭakhr - اصطخر " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/5318
  
    
      
        
          Iṣṭakhr
          اصطخر
          
                        Iṣṭak̲h̲r lies in 29° 50′ N. Lat. and about 53° E. Long., a short hour’s journey north of Persepolis, in the narrow valley of the Pulwar or Murg̲h̲āb (also called Sīwand-Rūd).
          
            هراة خراسان ومدينة لاصطخر
          
                    
                        29.980833 52.909444
                    
          https://bqgazetteer.bethmardutho.org/place/5318
          http://syriaca.org/place/5318
          https://pleiades.stoa.org/places/922662
          
            Aḥsan al-taqāsīm fī maʿrifat al-aqālīm
            Muḥammad ibn Aḥmad Maqdisī
            
            26
          
          
            Encyclopaedia of Islam, Second Edition
            P. Bearman
            
          
                    
                        https://pleiades.stoa.org/places/922662Pleiades: A Gazetteer of Past Places Roger Bagnall Richard Talbert Tom Elliott Lindsay Holman et al.