History of Iran – Wikipedia >>>
From Encyclopaedia Iranica: The Aryans >>>
Iranian Languages >>>
Language, Writing, and Tradition in Iran, by David A. Utz, 1991 >>>
On the Nature of the Vedic Gods, by Catalin Anghelina, 2013 >>>
The Expansion of the Indo-European Languages >>>
Manichaean Gnosis and Creation Myth, by Abolqasen Esmailpour, 2005 >>>
Indo-Iranian Religions >>>