Bibliography
- Boyce, Mary (1975), A History of Zoroastrianism, 1, Leiden: Brill: 19f., 225f., 268ff.
- Dhalla, Maneckji Nusservanji (1938), History of Zoroastrianism, New York: OUP: 207-210.
- Schlerath, Bernfried (1983), "Ahrišwang", Encyclopaedia Iranica, 1, New York: Routledge & Kegan Paul: 673-674.
- Schlerath, Bernfried & Skjærvø, Prods Oktor (1987), "Aši", Encyclopaedia Iranica, 2, New York: Routledge & Kegan Paul: 750-751.
- Skjærvø, Prods Oktor (1987), "Ard Yašt", Encyclopaedia Iranica, 2, New York: Routledge & Kegan Paul: 355-356.
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