Bidez, Franz; Cumont, Franz (1938). Les Mages Hellénisés Introduction[The Hellenized Magi: Zoroaster, Ostanes and Hystaspes] (in French). Paris: Société de Éditions «Les Belles Lettres».
Lincoln 1991, pp.149–150: "At present, the majority opinion among scholars probably inclines toward the end of the second millennium or the beginning of the first, although there are still those who hold for a date in the seventh century." Cite error: The named reference "auto1" was defined multiple times with different content (see the help page). Lincoln, Bruce (1991), Death, War, and Sacrifice: Studies in Ideology & Practice, University of Chicago Press, ISBN978-0-226-48200-2
Shahbazi 1977, pp.25–35 Cite error: The named reference "ShahbaziAb" was defined multiple times with different content (see the help page). Shahbazi, A. Shapur (1977), "The 'Traditional Date of Zoroaster' Explained", Bulletin of the School of Oriental and African Studies, 40 (1): 25–35, doi:10.1017/S0041977X00040386, S2CID161582719
Kingsley 1990, pp.245–265. Kingsley, Peter (1990), "The Greek Origin of the Sixth-Century Dating of Zoroaster", Bulletin of the School of Oriental and African Studies, 53 (2): 245–265, doi:10.1017/S0041977X00026069, S2CID162273109
Khlopin 1992, pp.107–110. Khlopin, I.N. (1992), "Zoroastrianism– Location and Time of its Origin", Iranica Antiqua, 27: 96–116, doi:10.2143/IA.27.0.2002124
Sieber 1973, p.234. Sieber, John (July 1973), "An Introduction to the Tractate Zostrianos from Nag Hammadi", Novum Testamentum, 15 (3): 233–240, doi:10.1163/156853673X00079
Malandra 2005: "Controversy over Zaraθuštra's date has been an embarrassment of long standing to Zoroastrian studies. If anything approaching a consensus exists, it is that he lived ca. 1000 BCE give or take a century or so [...]" Malandra, William W. (2005), "Zoroastrianism: Historical Review", Encyclopaedia Iranica, New York: Encyclopædia Iranica online
Shahbazi 1977, pp.25–35 Cite error: The named reference "ShahbaziAb" was defined multiple times with different content (see the help page). Shahbazi, A. Shapur (1977), "The 'Traditional Date of Zoroaster' Explained", Bulletin of the School of Oriental and African Studies, 40 (1): 25–35, doi:10.1017/S0041977X00040386, S2CID161582719
Kingsley 1990, pp.245–265. Kingsley, Peter (1990), "The Greek Origin of the Sixth-Century Dating of Zoroaster", Bulletin of the School of Oriental and African Studies, 53 (2): 245–265, doi:10.1017/S0041977X00026069, S2CID162273109
