1. Violet Pritchard, English Medieval Graffiti (Cambridge, 1967).
2. John Peake, ‘Graffiti and Devotion in Three Maritime Churches’, in Heslop, T. A., Mellings, E., Thofner, M., (eds), Art, Faith and Place in East Anglia: from Prehistory to the Present (Woodbridge, 2012), 148–162.
3. Keith Thomas, Religion and the Decline of Magic (London, 1971).
4. Reginald Scot, The Discoverie of Witchcraft (1584), Introduction by the Rev. Montague Summers, Dover Edition (New York, 1972), 231.
5. Samuel Liddell Macgregor Mathers, The Key of Solomon the King (London, 1889).