LUND, Niels. Eric Knibbs: Ansgar, Rimbert and the Forged Foundations of Hamburg-Bremen. (Church, faith and culture in the medieval West). Ashgate, London, 2011. Historisk Tidsskrift, [S. l.], v. 112, n. 1, p. 310–313, 2013. DOI: 10.7146/ht.v112i1.56562. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/56562. Acesso em: 14 mar. 2026.