Mizizi ya dhambi
Schumacher, Meinolf (2005): "Catalogues of Demons as Catalogues of Vices in Medieval German Literature: 'Des Teufels Netz' and the Alexander Romance by Ulrich von Etzenbach." In In the Garden of Evil: The Vices and Culture in the Middle Ages. Edited by Richard Newhauser, pp. 277–290. Toronto: Pontifical Institute of Mediaeval Studies.