Heebøll-Holm, Thomas. 2016. “Anton Englert (m.Fl.): Large Cargo Ships in Danish Waters 1000-1250. Evidence of Specialized Merchant Seafaring Prior to the Hanseatic Period. (Ships and Boats of the North, Volume 7). Viking Ship Museum in Roskilde, 2015”. Historisk Tidsskrift 115 (2). https://tidsskrift.dk/historisktidsskrift/article/view/56776.