1. GELDNER, K., Avesta: The Sacred Books of the Parsis, 3 vols, Stuttgart, Kohlhammer, 1896.
2. BOYCE, M., Zoroastrianism: Its Antiquity and Constant Vigour, Columbia Iranian Lectures, Costa Mesa, Mazda Publishers, 1992.
3. BOYCE, M., A History of Zoroastrianism, vol. 2, Under the Achaemenians, Leiden, Brill, 1982 (Handbuch der Orientalistik, ed. B. Spuler, I. viii. 1. 2)
4. BOYCE, M., Zoroastrians: Their Religious Beliefs and Practices, London/Boston, Routledge, 1979; pb 1984.
5. BOYCE, M., A History of Zoroastrianism, vol. 1, The Early Period, Leiden, Brill, 1975 (Handbuch der Orientalistik, ed. B. Spuler, I. viii. 1.2); repr. with corrs 1989, 1996
6. BOYCE, M., with GRENET, F., A History of Zoroastrianism, vol. 3, Under Maeedonian and Roman Rule, Leiden, Brill, 1991 (Handbuch der Orientalistik, ed. B. Spuler, I. viii. 1.2)
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