Riising A. Heresies of the High Middle Ages. Selected sources translated and annotated by Walter L. Wakefield and Austin P. Evans. Records of Civilization: Sources and Studies. New York and London, Columbia University Press, 1969. xiv + 865 s. 10 £ 2 sh. ht [Internet]. 1. januar 1971 [henvist 25. april 2024];12. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51182