1. Tim Easton, ‘Spiritual Middens’, in Oliver, P. (ed.) Encyclopedeia of Vernacular Architecture of the World, Vol. 1. (Cambridge, 1995), 568.
2. Ralph Merrifield, The Archaeology of Ritual and Magic (London, 1987).
3. June Swann, ‘Shoes Concealed in Buildings’, Northampton County Borough Museums and Art Gallery Journal, 6 (1969), 8–21.
4. June Swann, ‘Shoes Concealed in Buildings’, Costume: The Journal of the [UK] Costume Society, 30 (1996), 56–69.
5. Ilse von Fingerlin, ‘Seltene Textilien aus Kloster Alpirsbach in Nordschwarzland’, Waffen und Kostümkunde, 39 (1997), 99–122.