Otto Höfler, Kultische Geheimbünde der Germanen, volume 1, Frankfurt a. M.: Diesterweg, OCLC 459349888, p. 172.
A History of Icelandic Literature, ed. Daisy Neijmann, Lincoln, Nebraska: University of Nebraska, 2006, ISBN 978-0-8032-3346-1, Sverrir Tómasson, "The Middle Ages: Old Icelandic Prose", p. 140.
Ingemar Nordgren, The Well Spring of the Goths: About the Gothic Peoples in the Nordic Countries and on the Continent, New York: iUniverse, 2004, ISBN 0-595-33648-5 (revised translation of Goterkällan: Goterna - Religion, Organisation, Struktur: om den Gotiska Etniciteten, dissertation Odense University, 1998), p. 69.
"Celtic Elements in Icelandic Tradition, til Séamus Ó Duilearga á sextugsafmœli hans", Béaloides 25 (1957) 3-24, cited in Ásdís R. Magnúsdóttir, Quatre sagas légendaires d'Islande, Grenoble: ELLUG, 2002, ISBN 2-84310-043-7, p. 12 (fransk).
