Roos, Rikke Elise. 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). https://tidsskrift.dk/historisktidsskrift/article/view/56458.