1. 1) Najimi, A. W. : Herat: The Islamic City, A Study in Urban Conservation, Scandinavian Institute of Asian Studies/Curzon Press, 1988
2. 2) The Aga Khan Historic Cities Program (edited by Jodidio, P.) : Afghanistan; Preserving Historic Heritage, Prestel, 2017
3. 3) Gammell, C. P. W. : The Pearl of Khorasan, A History of Herat, Hurst & Co., 2016
4. 4) Spandyar, H. : Science of Irrigation, Ministry of Energy and Water, 2014 (in Persian)
5. 5) Rajayee, M. : Herat Covered Cisterns, in Herat-e-Bastan Magazine (journal), 1984 (in Persian)