belysning. Uppsala: Kungl. Gustav Adolfs Akademien för svensk folkkultur. Nerman, Birger (1925) Det svenska rikets uppkomst. Stockholm: Generalstabens Litografiska Anstalt. Reallexikon der Germanischen Altertumskunde, Vol. 13 (1999). Berlin: de Gruyter. Saxo Grammaticus (1905) The nine books of the Danish history of Saxo Grammaticus. London: Norroena Society Tolkien, Christopher, & Turville-Petre, G. (eds) (1956) Hervarar Saga ok Heidreks. London: Viking Society for Northern Research. Waggoner, Ben (2009) The sagas of Ragnar Lodbrok. New Haven: Troth Publications. Notes 8th-century monarchs in Europe Kings of the Geats People whose existence is disputed Scyldings Semi-legendary kings of Sweden Vikings killed in battle Monarchs killed in action