Edward A. Freeman, The History of the Norman Conquest of England: Its Causes and its Results, Volume 1 Oxford: Clarendon, 1867, p. 404, note 1 （页面存档备份，存于互联网档案馆）.
Brita Malmer, "The 1954 Rone Hoard and Some Comments on Styles and Inscriptions of Certain Scandinavian Coins from the Early Eleventh Century", in Coinage and History in the North Sea World, c. AD 500-1200: Essays in Honour of Marion Archibald, ed. Barrie Cook and Gareth Williams, Leiden: Brill, 2006, ISBN 90-04-14777-2, pp. 435-48, p. 443 （页面存档备份，存于互联网档案馆）.
Jón Stefánsson, Denmark and Sweden: with Iceland and Finland, London: Unwin, 1916, OCLC181662877, p. 11 （页面存档备份，存于互联网档案馆）: "Cnut's ideal seems to have been an Anglo-Scandinavian Empire, of which England was to be the head and centre".
Grueber and Keary, p. 6 （页面存档备份，存于互联网档案馆）: "Though England had been conquered by the Dane she was really the centre of his Danish empire".
T.D. Kendrick, A History of the Vikings, New York: Scribner, 1930, repr. Mineola, New York: Dover, 2004, ISBN 0-486-43396-X, p. 125 （页面存档备份，存于互联网档案馆）: "Danish taxes were introduced, Danish laws imposed, and preference was everywhere given to Danish interests".
Harthacnut. Oxford Online Dictionary of National Biography. [20 February 2012]. （原始内容存档于2016-04-26）.
web.archive.org
Edward A. Freeman, The History of the Norman Conquest of England: Its Causes and its Results, Volume 1 Oxford: Clarendon, 1867, p. 404, note 1 （页面存档备份，存于互联网档案馆）.
Brita Malmer, "The 1954 Rone Hoard and Some Comments on Styles and Inscriptions of Certain Scandinavian Coins from the Early Eleventh Century", in Coinage and History in the North Sea World, c. AD 500-1200: Essays in Honour of Marion Archibald, ed. Barrie Cook and Gareth Williams, Leiden: Brill, 2006, ISBN 90-04-14777-2, pp. 435-48, p. 443 （页面存档备份，存于互联网档案馆）.
Jón Stefánsson, Denmark and Sweden: with Iceland and Finland, London: Unwin, 1916, OCLC181662877, p. 11 （页面存档备份，存于互联网档案馆）: "Cnut's ideal seems to have been an Anglo-Scandinavian Empire, of which England was to be the head and centre".
Grueber and Keary, p. 6 （页面存档备份，存于互联网档案馆）: "Though England had been conquered by the Dane she was really the centre of his Danish empire".
T.D. Kendrick, A History of the Vikings, New York: Scribner, 1930, repr. Mineola, New York: Dover, 2004, ISBN 0-486-43396-X, p. 125 （页面存档备份，存于互联网档案馆）: "Danish taxes were introduced, Danish laws imposed, and preference was everywhere given to Danish interests".
Harthacnut. Oxford Online Dictionary of National Biography. [20 February 2012]. （原始内容存档于2016-04-26）.
worldcat.org
Jón Stefánsson, Denmark and Sweden: with Iceland and Finland, London: Unwin, 1916, OCLC181662877, p. 11 （页面存档备份，存于互联网档案馆）: "Cnut's ideal seems to have been an Anglo-Scandinavian Empire, of which England was to be the head and centre".
