Leegaard Knudsen A. Birgit and Peter Sawyer: Medieval Scandinavia. From Conversion to Reformation, circa 800-1500. (The Nordic Series, Volume 17) University of Minnesota Press, Minneapolis & London 1993. XVI, 265 s., ill. ht [Internet]. 1. januar 1995 [henvist 25. april 2024];16. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/53683