Afzal-ul-Mamalik. (n.d.). Travelogue of Khorasan and Kerman (Gh. Rousani, Ed.). Mashhad: University Publication. [In Persian]
Al-Hamawi, Y. (1983). The common choice of Yaqut Hamawi (M. P. Gonabadi, Ed.). Tehran: Amirkabir. [In Persian]
Anani, B. (2012). The unpublished reports of archaeological survey of Ferdows. Cultural Heritage, Tourism and Handicrafts of South Khorasan Province. [In Persian]
Anani, B. (2013). Eastern Iranian interaction sphere based on archaeological evidences of Kalleh Koub, Sarayan, Southern Khorasan (Master’s thesis). University of Sistan & Baluchestan. [In Persian]
Anani, B., Mohammadian, F., & Sharif Kazemi, Kh. (2014). Historical and inscribed water reservoirs of Ferdows in South Khorasan. Quarterly Bulletin of Greater Khorasan, 5(16), 13–25.
Bayhaqi, A. (1977). Tarikh-i Bayhaqi (A. Fayyaz, Ed.). Mashhad: University Publication. [In Persian]
Behroozifar, D. (2015). Investigating and studying the tourism industry with a historical and cultural approach (Archaeology). Paper presented at the 2nd National Conference on Tourism, Geography and Clean Environment, Hamedan. [In Persian]
De-Kadt, E. (1976). Tourism: Passport to development? Oxford: Oxford University Press.
Fakhar-Tehrani, F. (1998). An introduction to foundation building in traditional Iranian architecture. In 2nd Congress of the History of Architecture and Urban Planning of Iran (Vol. 4, pp. 229–245). Tehran: Ministry of Cultural Heritage, Tourism and Handicrafts. [In Persian]
Hataminejad, H., Arooji, H., Shekaroie, N., & Molaie Ghelichi, M. (2014). Survey and evaluation of urban tourism monuments (Case study: Urmia City). Journal of Tourism Planning and Development, 3(9), 151–168. [In Persian]
Heidari-Chianeh, R., Rezatab, Kh., Soltani, N., & Motemedimehr, A. (2013). An analysis of tourism policy making in Iran. Journal of Tourism Planning and Development, 2(5), 11–32. [In Persian]
Ibn Al-Athir, A. (2006). Al-Kamil Fi Al-Tarikh (Vol. 4, M. H. Rouhani, Trans.). Tehran: Asatir Publication. [In Persian]
James, E. (2000). Tourism politics and public sector management (M. Jamshidian & A. Mehdipour, Trans.). Isfahan: Mani Publication. [In Persian]
Jihani, A. bin A. (1989). Ashkal al-Alam (The forms of the world) (M. Sotoudeh, Ed.). Tehran: University of Tehran Press. [In Persian]
Juvayni, A. (2006). Tarikh-i Jahangushay. Tehran: Donyaye Ketab. [In Persian]
Khwandamir, G. al-D. (1954). Tārikh Habib al-Siyar (1st ed.). Tehran: Khayyam Publications. [In Persian]
Lewis, B. (1992). The Assassins: A radical sect in Islam (F. Badreyi, Trans.). Tehran: Institute of Cultural Studies and Research. [In Persian]
Maqdisi, M. ibn A. (1982). Ahsan al-Taqasim fi Ma’rifat al-Aqalim (Part Two, A. N. Monzavi, Trans.). Tehran: Iran Authors and Translators Company. [In Persian]
McGregor, C. M. (1987). A description of a journey to the province of Khorasan and northwestern Afghanistan (M. Mahdizadeh, Trans.). Mashhad: Astan Quds Razavi Publications. [In Persian]
Nahari, M., & Anani, B. (2014). Ferdows: Climate and Islamic architecture. Tehran: Fekr-e Bekr Publications. [In Persian]
Nasir-Khusraw. (1971). Safarnama (The book of travels) (N. Vazinpour, Ed.). Tehran: Sherkat Sahami Ketabhaye Jibi & Franklin Press. [In Persian]
Pirnia, K. (2005). Introduction to Iranian Islamic architecture (Gh. H. Memarian, Ed.). Tehran: Soroosh-e-Danesh. [In Persian]
Rashid Najafi, A. (2010). Investigating the location and condition of the historical baths in Tabriz. Soffeh, 20(3–4), 61–74. [In Persian]
Saremi, N. D. (1995). Study and research of Islamic buildings and places (Islamic architecture) in Na'in city from the early Islamic period to the Qajar era (Master’s thesis). University of Tarbiat Modarres. [In Persian]
Stone, P., & Planel, P. (Eds.). (2017). The Palgrave handbook of archaeology and heritage tourism. Palgrave Macmillan.
Sykes, P. M. (1957). The travelogue of General Sir Percy Sykes or Ten thousand miles in Iran (H. S. Noori, Trans., 2nd ed.). Tehran: Sina Library. [In Persian]
Taheri, A. (1969). Historical geography of Khorasan from the tourist's perspective. Tehran: Publication of the Central Council of the Imperial Celebration of Iran. [In Persian]
Torkaman, E. (1971). Tarikh-e Alam-ara-ye Abbasi. Tehran: Amirkabir Publication. [In Persian]
Turner, L. (1976). The international division of leisure: Tourism and the Third World. World Development, 4(3), 255–260.
Unknown Author. (1961). Hudud al-'Alam min Mashriq ila Maghrib (The regions of the world from East to West) (M. Sotoudeh, Ed.). Tehran. [In Persian]
Vladimirovna, S. L. (2007). The history of the Ismailis in Iran (5th to 7th centuries AH) (P. Monzavi, Trans.). Tehran: Nashr Eshareh. [In Persian]
Yahagi, M., & Boozarjmehri, Kh. (1995). Ferdows (Toun). Mashhad: Astan Quds Razavi Publications. [In Persian]