"Library". archaeologydataservice.ac.uk. Retrieved 3 December 2022.
books.google.com
Halldór Hermannsson, The Periodical Literature of Iceland Down to the Year 1874,Islandica XI (1918), p. 28.
Paul Henri Mallet, tr. Thomas Percy, Northern Antiquities: or, An Historical Account of the Manners, Customs, Religion and Laws, Maritime Expeditions and Discoveries, Language and Literature of the Ancient Scandinavians, London: Bohn, 1847, OCLC 15684911, p. 265, note.
According to Magnús Fjalldal, "A Lot of Learning is a Dang'rous Thing: The Ruthwell Cross Runes and their Icelandic Interpreters", Correspondences: Medievalism in Scholarship and the Arts, ed. T.A. Shippey and Martin Arnold, Cambridge: Brewer, 2005, ISBN1-84384-063-4, pp. 30–50, p. 35, he failed to graduate.
Andrew Wawn, The Vikings and the Victorians: Inventing the Old North in 19th-Century Britain, Cambridge: Brewer, 2000, repr. 2002, ISBN0-85991-644-8, p. 189: "the myths reflected primitive responses, sensuous and intense, to the natural forces governing individuals' lives since the dawn of civilisation".
Geraldine Barnes, Viking America: The First Millennium, Cambridge: Brewer, 2001, ISBN0-85991-608-1, p. 46.
An 1891 book review in The Nation ("The Icelandic Discovery of America", 15 January 1891, volume 52, p. 55) refers to his "serious errors" in this matter, calls the inscription "unmistakably Indian graffiti", and summarises Gustav Storm's critique.
Magnús Fjaldall reproduces his reading, points out that it was based on a bad lithograph, and states that it "came complete with a detailed description of a hitherto unknown language and a mysterious civilisation" (p. 41).
Pamela Porter, "Preserving the Past: England, Iceland and the Movement of Manuscripts", Care and Conservation of Manuscripts 9: Proceedings of the eighth international seminar held at the University of Copenhagen 14th-15th April 2005, ed. Gillian Fellows-Jensen and Peter Springborg, Copenhagen: Museum Tusculanum Press 2006, ISBN87-635-0554-1, pp. 173-90, pp. 174-78.
