Bibliografie

van Egmond WS. Converting monks: missionary activity in early medieval Frisia and Saxony. In: Amstrong G, Wood IN, editors. Christianizing peoples and converting individuals. Vol 7. Turnhout: Brepols; 2001. p. 37-45. (International Medieval Research; vol 7).
Roest B. Converting the other and converting the self: double objectives in Franciscan educational writings. In: Amstrong G, Wood IN, editors. Christianizing peoples and converting individuals. Vol 7. Turnhout: Brepols; 2001. p. 295-301. (International medieval research; vol 7).