Robinigg I. Magnus the Lawmender’s National Law and concordat. A journey through the origins of the short-lived Concordat of Tønsberg (1277) and its protracted before and aftermath. nomokanon [Internet]. 2025 Feb. 6 [cited 2026 Nov. 9];. Available from: https://nomokanon.de/index.php/nomokanon/article/view/280