Opsahl, E. (2023). Nordic Elites in Transformation, c. 1050-1250, Volume I: Material Resources. Eds.: Bjørn Poulsen, Helle Vogt & Jón Viðar Sigurðsson. Routledge, New York and London, 2019 . Historisk Tidsskrift, 123(1). https://doi.org/10.7146/ht.v123i1.138942