Kallestrup, Louise Nyholm and Toivo, Raisa Maria, “Approaches to Magic, Heresy and Witchcraft in Time, Space and Faith”, in Louise Nyholm Kallestrup and Raisa Maria Toivo (eds), Contesting Orthodoxy in Medieval and Early Modern Europe: Heresy, Magic and Witchcraft (Cham: Palgrave Macmillan 2017), 1-13.