Robert Turcan, The Gods of Ancient Rome (Routledge, 2001, originally published 1998), p. 41 online.
Matthias Klinghardt, "Prayer Formularies for Public Recitation: Their Use and Function in Ancient Religion," Numen 46 (1999) 1–5; A.A. Barb, "Antaura. The Mermaid and the Devil's Grandmother: A Lecture," Journal of the Warburg and Courtauld Institutes 29 (1966), p. 4; Karen Hartnup, On the Beliefs of the Greeks: Leo Allatios and Popular Orthodoxy (Brill, 2004), pp. 97–101 online (in connection with compelling demons).
Aulus Gellius, Attic Nights 5.12.14: In istis autem diis, quos placari oportet, uti mala a nobis vel a frugibus natis amoliantur, Auruncus quoque habetur.
William Warde Fowler, The Roman Festivals of the Period of the Republic (London, 1908), p. 89.
Matthias Klinghardt, "Prayer Formularies for Public Recitation: Their Use and Function in Ancient Religion," Numen 46 (1999) 1–5; A.A. Barb, "Antaura. The Mermaid and the Devil's Grandmother: A Lecture," Journal of the Warburg and Courtauld Institutes 29 (1966), p. 4; Karen Hartnup, On the Beliefs of the Greeks: Leo Allatios and Popular Orthodoxy (Brill, 2004), pp. 97–101 online (in connection with compelling demons).