== Litteratur ==
* {{cite book|last1=Forte|first1=Angelo|last2=Oram|first2= Richard|last3= Pedersen|first3= Frederik|url=https://books.google.com/books?id=_vEd859jvk0C&printsec=frontcover&source=gbs_v2_summary_r&cad=0#v=onepage&q&f=false|title= Viking Empires|publisher= Cambridge University Press|year= 2005| isbn= 0-521-82992-5|ref=Forte}}
* {{cite book|ref=Hall|author=Hall, Richard |title=Viking Age archaeology|year=2010|isbn=0-7478-0063-4|publisher=Shire Publications}}
* {{cite book|ref=Harck|author1=Harck, Ole |author2=Lübke, Christian |title= Zwischen Reric und Bornhöved: Die Beziehungen zwischen den Dänen und ihren slawischen Nachbarn vom 9. Bis ins 13|publisher=International Conference, Leipzig, 4–6 December 1997, Franz Steiner Verlag|year= 2001|isbn=3-515-07671-9}}
* {{cite book|last=Jones|first=Gwyn|title=A History of the Vikings|url=https://archive.org/details/historyofvikings0000unse|year=1968|publisher=Oxford University Press|oclc= 581030305 |ref=Jones}}
* Aksel E. Christensen: ''Vikingetidens Danmark paa oldhistorisk baggrund'', København 1969 (2. udgave, 1977)
* [[Else Roesdahl]]: ''Vikingernes verden''; 8. udgave, 1. oplag; Slovenia 2012; {{ISBN|978-87-02-10882-8}}
Filosofi Historie Geologi