Moesgaard, Jens Christian. “Mark Hagger: Norman Rule in Normandy 911-1144. Boydell Press, Woodbridge, 2017”. Historisk Tidsskrift, bd. 118, nr. 2, august 2019, s. 118:2, 521-522., https://tidsskrift.dk/historisktidsskrift/article/view/115514.