Rathsack, M. (1971) “Robert S. Hoyt (udg.): Life and Thought in the early Middle Ages. Minneapolis, The University of Minnesota Press, 1967. vi + 165 s. $ 1,95.”, Historisk Tidsskrift, 120. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51321 (Set: 19november2019).