Wulfstan’s Voyage. The Baltic Sea region in the early Viking Age as seen from shipboard. Edited by Anton Englert & Athena Trakadas. (Maritime Culture of the North, vol. 2). Roskilde, The Viking Ship Museum, 2007.

Roos, R. E. (2013). Wulfstan’s Voyage. The Baltic Sea region in the early Viking Age as seen from shipboard. Edited by Anton Englert & Athena Trakadas. (Maritime Culture of the North, vol. 2). Roskilde, The Viking Ship Museum, 2007. Historisk Tidsskrift, 110(1). Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/56458