Frankish Seats of Power and the North: Centres Between Diplomacy and Confrontation, Transfer of Knowledge and Economy. Proceedings of the International Conference on »Frankish Seats of Power and the North«, Aachen, November 8th to 11th 2022 - Gierszewska-Noszczyńska, Matylda; Grimm, Oliver; Grunwald, Lutz (LEIZA Verlag, 2025)