Jesse L Byock (1990)
Sigurðr Fáfnisbani: an Eddic hero carved on Norwegian stave churches
In: Poetry in the Scandinavian Middle Ages: The Seventh International Saga Conference. Atti del 12° Congresso internazionale di studi sull'Alto Medioevo, Spoleto 4-10 settembre 1988, ed. by Teresa Pàroli. Centro italiano di studi sull'Alto Medioevo, Spoleto, pp. 619-628.
The article argues that the image of Sigurðr the dragon-slayer was adopted as a popular and patriotic equivalent of St. Michael.