Rollo and his followers are referred to as Daneis throughout the Chronique. For example, Iriez fu Rous en son curage [...] Ne lui nuire n’à ses Daneis (Francisque Michel edition, p. 173, available online via Internet Archive).
La Fay, Howard (1972). The Vikings. Special Publications. Washington DC: National Geographic Society. p. 146, 147, 164–165. ISBN978-0-87044-108-0.
Gilduin Davy, The Laws of Rollo as a Primitive Constitution for Normandy: Writing and Rewriting Legal History in France during the Seventeenth and Eighteenth Centuries, The English Historical Review, Volume 138, Issue 594-595, October/December 2023, Pages 1255–1276, https://doi.org/10.1093/ehr/cead178
Davy, Gilduin. “The Laws of Rollo as a Primitive Constitution for Normandy: Writing and Rewriting Legal History in France during the Seventeenth and Eighteenth Centuries.” The English Historical Review, vol. 138, no. 594-595, 30 December 2023, pp. 1255–1276, https://doi.org/10.1093/ehr/cead178.
Histories, Medieval (11 February 2014). "Dudo of St. Quentin". Medieval Histories. Archived from the original on 1 July 2022. Retrieved 19 August 2022.
Histories, Medieval (11 February 2014). "Dudo of St. Quentin". Medieval Histories. Archived from the original on 1 July 2022. Retrieved 19 August 2022.
"Robert I of France". Britannica Encyclopaedia. Archived from the original on 20 June 2020. Retrieved 28 February 2020.