Keyworth (2006), p. 244: "there is no mention of draugrs being swollen with the supposed blood of their victims". Keyworth, G. David (December 2006). "Was the Vampire of the Eighteenth Century a Unique Type of Undead-Corpse?". Folklore. 117 (3): 241–260. doi:10.1080/00155870600928872. JSTOR30035373. S2CID162921894.
Housman, Laurence (illustrations); R. Nisbet Bain (1893 translation); Jonas Lie (original Danish) (1893). Weird Tales from the Northern Seas. Retrieved 2014-03-17.{{cite book}}: CS1 maint: numeric names: authors list (link)
Keyworth (2006), p. 244: "there is no mention of draugrs being swollen with the supposed blood of their victims". Keyworth, G. David (December 2006). "Was the Vampire of the Eighteenth Century a Unique Type of Undead-Corpse?". Folklore. 117 (3): 241–260. doi:10.1080/00155870600928872. JSTOR30035373. S2CID162921894.
Caciola (1996), p. 15: "Thorgunna's death also brought on what might be called an epidemic of aggressive revenants". Caciola, Nancy (August 1996). "Wraiths, Revenants and Ritual in Medieval Culture". Past & Present (152): 3–45. JSTOR651055.
Davidson, H. R. Ellis (September 1958). "Weland the Smith Burial Practices as Sites of Cultural Memory in the Íslendingasögur". Folklore. 69 (3): 154–155. JSTOR1258855.
Keyworth (2006), p. 244: "there is no mention of draugrs being swollen with the supposed blood of their victims". Keyworth, G. David (December 2006). "Was the Vampire of the Eighteenth Century a Unique Type of Undead-Corpse?". Folklore. 117 (3): 241–260. doi:10.1080/00155870600928872. JSTOR30035373. S2CID162921894.