Helt.—Danmarks Heltedigtning, by Axel Otrik, vol. I, 1903; vol. II, 1910.
Dan. Nor. Rig.—Danske og norske Riger paa de britiske Öer i Danevældens Tidsalder, by Johannes C.H. Steenstrup, 1882.
Eng. Nov.—The Development of the English Novel, by Wilbur L. Cross, 1914.
Dictionary of National Biography.
Eng. Stud.—Englische Studien.
Ext. Ch. Rol.—Extraits de la Chanson de Roland, by Gaston Paris, 1912.
Gest. Dan.—Gesta Danorum, by Saxo Grammaticus, edited by A. Holder, 1886.
Elton's Saxo—The First Nine Books of the Danish History of Saxo Grammaticus, translated by Oliver Elton, 1894.
Gesch. Alteng. Lit.—Geschichte der altenglischen Litteratur, by Alois Brandl (Paul's Grundriss der germanischen Philologie, 1908).
Heimsk.—Heimskringla, eller Norges Kongesagaer, by Snorre Sturlasson, edited by C.R. Unger, 1868.