1. Fleck, J., ‘Konr—Óttarr—Geirrøðr: A Knowledge Criterion for Succession to the Germanic Sacred Kingship’, SS 42 (1970), 39–49.
2. Swine, Swedes, and Fertility Gods;Gräslund, Bo,2020
3. Guðbrandr Vigfusson and C. R. Unger, ed., Flateyjarbok, en samling af norske konge-sagaer, 3 vols. (Christiania, 1860–68) [Hdl. is in volume I, 11–16]
4. Gurevich, A. Y., ‘Edda and Law: Commentary upon Hyndlolióð’, ANF 88 (1973), 72–84.
5. Horst, S., Merlin und die ‘völva’: Weissagungen im Altnordischen (Munich: Herbert Utz Verlag, 2010).