Jensen, K. V. (2017). Anti Selart: Livonia, Rus’ and the Baltic Crusades in the Thirteenth Century. (East Central and Eastern Europe in the Middle Ages, 450-1450, vol. 29). Brill, Leiden, 2015. Historisk Tidsskrift, 117(1). Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/96937