Anthony, David W (2007). The Horse, the Wheel, and Language: How Bronze-Age Riders from the Eurasian Steppes Shaped the Modern World, Princeton University Press.
Arrian, Anabasis of Alexander, vol. II, Leob Classical Library.
Artamonov, M (1966). Sokrovishcha Skifskikh Kuganov Sobranii Gosudarstvennogo Ermitazha-Pragu-Lenin grad from Great SovietEncycolopedia, Vol.29, 1982.
Aryamanesh, Shahin & Mousavi, Seyed Mehdi, in press, Archaeological Evidence of Scythian Presence in Iran’s Gilan Province.
Azari, Shahla (2007). ARTĒŠTĀR, in Encyclopædia of Iran. Vol 2. Tehran, Center for the Great Islamic Encyclopedia: 255 (In Persian).
Bahar, Mehrdad (2007). About Iran's mythology, in An Investigation into Iranian Culture, Tehram Nashr-e Ostoreh: 13-83 (In Persian).
Bivar, A. D. H (2008), The Political History of Iran under the Arsacids, in Cambridge History of Iran, Volume 3(1) E. Yarshater, editor, Translated into Persian: Hasan Anousheh, Tehran, Amir Kabir: 193-200.
Boyce, Mary (2007). Zoroastrians: Their Religious Beliefs and Practices, Translated into Persian: Askar Bahrami, Tehran, Ghoghnoos.
Charleen, Gaunitz1, Antoine Fages, Kristian Hanghøj, Anders Albrechtsen, Naveed Khan, Mikkel Schubert, Andaine Seguin-Orlando, Ivy J. Owens, Sabine Felkel, Olivier Bignon-Lau, Peter de Barros Damgaard, Alissa Mittnik, Azadeh F. Mohaseb, Hossein Davoudi, Saleh Alquraishi, Ahmed H. Alfarhan, Khaled A. S. Al-Rasheid, Eric Crubézy, Norbert Benecke, Sandra Olsen, Dorcas Brown, David Anthony, Ken Massy, Vladimir Pitulko, Aleksei Kasparov, Gottfried Brem, Michael Hofreite, Gulmira Mukhtarova, Nurbol Baimukhanov, Lembi Lõugas, Vedat Onar, Philipp W. Stockhammer, Johannes Krause, Bazartseren Boldgiv, Sainbileg Undrakhbold, Diimaajav Erdenebaatar, Sébastien Lepetz, Marjan Mashkour, Arne Ludwig, Barbara Wallner, Victor Merz, Ilja Merz, Viktor Zaibert, Eske Willerslev, Pablo Librado, Alan K. Outram, Ludovic Orlando (2018). Ancient genomes revisit the ancestry of domestic and Przewalski’s horses, Science, Vol 360, Issue 6384: 1-13.
Christensen, Arthur Emanuel (1957). Les Kayanides, Translated into Persian: Zabihollah Safa, Tehran, Translation and publishing company (Bongah-e Tarjomeh va nashr-e Ketab).
Christensen, Arthur Emanuel (1966). Zoroastrianism in ancient Iran, translated from two articles by Arthur Emanuel Christensen, Translated into Persian: Zabihollah Safa, Tehran, University of Tehran.
Chugunov, K. V (2017). Early Nomads of Central Asia and Southern Siberia, in Scythians Warriors of Anciebt Siberia, edited by St John Simpson and Scetlana Pankova, Thames & Hadson: 72-87.
Chugunov, K. V., Rjabkova, T. V. & Simpson, St J (2017). Mounted Warriors, in Scythians Warriors of Anciebt Siberia, edited by St John Simpson and Scetlana Pankova, Thames & Hadson: 194-255.
Coyajee J.C (2009). Rostam in mythology and history in Cults and Legends of Ancient Iran and China, Translated into Persian: Jalil Doostkhah, Thehran, Agah: 207-218.
David W. Anthony (1991). The Archaeology of Indo-European Origins. Journal of Indo-European Studies 19/3-4(1991): 193-221.
Doostkhah Jalil (1996). Avesta the ancient Iranian hymns texts, Thehran, Mourvarid (In Persian).
Fakouhi, Naser (2013). History of thought and theories of anthropology, Tehran, Ney (In persian).
Farenbagh Dadegi (2000). Bundahishn, edited by Mehrdad Bahar, Tehran, Tous (In Persian).
Ferdousi, Abolghasem (1982). Shahnameh, Edited by Mohammad Dabir Siyaghi, Thehram Elmi (In Persian).
Frye, Richard Nelson (2007). The History of Ancient Iran, Translated into Persian: Masoud Rajabnia, Tehran, Elmi Va Farhangi.
Gershevitch, I (1985). The Avestan Hymn to Mithra, with an introduction translation and commentary by Ilya Gershevitch, 1st Edition, Cambridge University Press.
Gharib, Badr al-Zamān (2013a). Rostam in Sogdian narratives, in Sogdian studies, edited by Mohammad Shokri Foumashi, Tehran, Tahouri: 167-173 (In persian).
Gharib, Badr al-Zamān (2013b). A Survey on Sughdi Rostam's Narrative, in Sogdian studies, edited by Mohammad Shokri Foumashi, Tehran, Tahouri: 175-198 (In persian).
Grenet, Frantz (2015). Zoroastrianism in Central Asia, in The Wiley Blackwell Companion to Zoroastrianism, Edited by Michael Stausberg and Yuhan Sohrab‐Dinshaw Vevaina with the assistance of Anna Tessmann, Wiley Blackwell, Pp: 129-146.
Hakemi, A (2017). Archaeological excavations in Roudbar of Gilan, Iran (1965-1968), Shahin Aryamanesh (ed.), Tehran, RICHT (In Persian).
Harris, M (1968). The Rise of Anthropological Theory, Thomas Y. Crowell Company.
Harris, M (1974). Cows, Pigs, Wars, and Witches: The Riddles of Culture, Random House.
Harris, M (1978). Cannibals and Kings: Origins of Cultures, Vintage.
Harris, M (1978). India's Sacred Cow, Human Nature, 1 (2): 28–36.
Herodotus (1961). The Histories, Translated into Persian: Hadi Hedayati, Vol. 4, Tehran, University of Tehran.
Hinz, Walther (2011). Darius und die Perser. Translated into Persian: Parviz Rajabi, Tehran, Mahi.
Horn, Paul and Hübschmann Johann Heinrich (2015). Grundriss der Neupersischen Etymologie, Translated into Persian: Jalal Khaleghi Motlagh, Tehran, Mehrafrouz.
Ions, Veronica (1973). Indian Mythology, London, Paul Hamlyn.
Lamberg-Karlovsky. C. C (2002). “Archaeology and Language The Indo-Iranians”, Current Anthropology, Volume 43, Number I, February 2002, 63-88.
Latifpour, Saba (2015). Victims of Indo-European, Indians and Iranians, Namey-e Farhangestan, Vol. 5: 53-77.
Mallory, J. P (1990). In search of the Indo-Europeans: Language, Archeology and Myth, London.
Menog-i Khrad (1975). Translated into Persian: Ahmad Tafazzoli, Tehran, Iranian Culture Foundation (Bonyade Farhange Iran).
Minns, E.H (2003). “Scythians”, in J.Hastings (ed), Encycolopedia ofReligion Aaand Eethics, London & New York: T&T Clark.
Murphy, E.J (2000). Mummification and Boby Processing: Evidence from the Iron Age in southern Siberia, in kurgans, Ritual sites, andSettlements: Eurasian Bronz and Iron Age, Jeannine Davis-Kirnbel et al (eds), Oxford: Archeopress, pp.279-292.
Outram, A.K. Stear, N.A, Bendrey, R., Olsen, S., Kasparov, A., Zaibert, V., Thorpe, N. and Evershed, R.P (2009). The Earliest Horse Harnessing and Milking, Science. 323(5919): 1332–1335.
Pourdavoud, Ebrahim (2005). Gathas, the Oldest part of the Avesta. Tehran, Asatir (In Persian).
Pourdavoud, Ebrahim (2007). Ancient Iranian culture, Tehran, Asatir (In Persian).
Radhakrishnan, S. (1948). Indian Philosophy, 2 Vols, London: George Allen & Unwin Ltd.
Rezaloo, R & Ayramloo, Y (2014). Horse Interment in Scythian Tribes Case Stuty: Khoram Abad Cemetery in Meshgin Shahr, Journal of Historical Sociology, Volume 6, No.3, Summer and Autumn 2014: 113-144. (In Persian).
Rezaloo, R & Ayramloo, Y (2016). The New Archaeological Evidences for the Historical Presence of Scythian Tribes in Iran, Historical Research, Volume 7, Issue 4, Winter 2016: 17-32. (In Persian).
Rostovtzeff, M. & Hon. D. Lilt (1969). Iranians & Greeks in South Russia, New York: Russell & Russell.
Rudenko, Sergei I (1970). Frozen Tombs of Siberia, the Pazyryk Burials of Iron Age Horsemen, translated and with a preface by M. W. Thompson, University of California Press, Berkeley and Los Angeles.
Safa, Zabihollah (2010). Epic in Iran, Tehran, Amir Kabir (in Persian).
Sarianidi, V. I (1998a). Myths of ancient Bactria and Margiana on its seals and amulets. Moscow: Pentagraphic Ltd.
Sarianidi, V. I (1998b). Margiana and Protozoroastrianism. Athens: Kapon Editions.
Sarkareti, Bahman (1393). Rustam, a historical or mythical character? In Sayehay-e Shekar Shodeh, Tehran Tahouri: 27-50 (in Persian).
Shapur Shahbazi, Alireza (1987). Asb I. in pre-Islamic Iran, Encyclopaedia Iranica, vol. II, 1987, p. 725.
Shāyest nē Shāyest (2011). Translation and research: Katayoun Mazdapour, Tehran, Ihcs.
Sinha, S. N. and N. K. Basu (1992). The History of Marriage and prostitution (Vedas to Vatsyayana), New Delhi.
Skjærvø, Prods Oktor (2008). The Horse in Indo-Iranian Mythology, Journal of the American Oriental Society, 128.2: 295-302.
Strabo (2003). The Geography, Translated into Persian: Homayon Sanatizadeh, Tehran, Dr. Mahmoud Afshar Foundation.
Tairov, A. D., & S G. Botalov (1988). Kurgan u sela Varna. In Zdanobich, G. (ed.) Problemy arkheologiyi Uralo-Kazakhestskikh stepi, Chelyabinsk: 100-125.
The Rigveda, The Earliest Religious Poetry of India (2014). Translated by Stephanie W. Jamison and Joel P. Brereton, 3 Vols, Published in the United States of America by Oxford University Press.
Witzel, Michael (1997). The development of the Vedic canon and its schools: the social and political milieu, in Inside the Texts, Beyond the Texts. New Approaches to the Study of the Vedas, ed. M. Witzel, Harvard Oriental Studies, Opera Minora, vol. 2, Cambridge 1997: 257-348.