1. The Delphic Maxim ‘Know Yourself’ in the Greek Magical Papyri;Betz;History of Religions,1981
2. Betz, Hans Dieter (1986). The Greek Magical Papyri in Translation, Including the Demotic Spells, University of Chicago Press.
3. Meyer, Marvin, and Mirecki, Paul (2001). Ancient Magic and Ritual Power, Brill.
4. The Contested Boundaries of ‘Magic’ and ‘Religion’ in Late Pagan Monotheism;Fraser;Magic, Ritual, and Witchcraft,2009
5. Clarke, Emma C., Dillon, John M., and Hershbell, Jackson P. (2003). Iamblichus: On the Mysteries, Society of Biblical Literature.