[1]
L. A. van Gulik, “Cleanliness is Next to Godliness, But Oaths are for Horses: Antecedents and Consequences of the Institutionalization of Secrecy in Initiatory Wicca”, POM, vol. 14, no. 2, pp. 233–255, Jan. 2014, doi: 10.1558/pome.v14i2.233.