See J.D. BeDuhn, “Magical Bowls and Manichaeans,” Ancient Magic and Ritual Power, ed. M. Meyer and Paul Mirecki (Leiden: Brill, 1995), pp. 419–434 and Shaul Shaked, “Popular Religion in Sasanian Babylonia,” Jerusalem Studies in Arabic and Islam 21 (1997), pp. 103–117.
