25. Cassius Dio, Roman History, Book 46: Lepidus and Lucius Plancus [...] founded the town called Lugudunum,now known as Lugdunum
26. Louis, Jaucourt de chevalier (1765). "Lyon". Encyclopedia of Diderot & d'Alembert - Collaborative TranslationProject. hdl:2027/spo.did2222.0000.159 (https://hdl.handle.net/2027%2Fspo.did2222.0000.159).
27. "Endlichers Glossar/Endlicher's Glossary" (http://www.maryjones.us/ctexts/endlicher_glossary.html).www.maryjones.us. n.d. Retrieved 7 November 2021. "Lugduno – desiderato monte: dunum enim montemLugduno: "mountain of yearning"; dunum of course is mountain."www.maryjones.us/ctexts/endlicher_glossary.html
28. Patrick Boucheron, et al., eds. France in the World: A New Global History (2019) pp 63-68.
29. "Saint Irenaeus" (http://sanctoral.com/en/saints/saint_irenaeus.html). Sanctoral.com. Magnificat.
30. "2847-Primat des Gaules" (https://web.archive.org/web/20191030201817/https://www.france-catholique.fr/2847-Primat-des-Gaules.html). France-catholique.fr. 13 September 2002. Archived from the original (https://www.france-catholique.fr/2847-Primat-des-Gaules.html) on 30 October 2019. Retrieved 20 December 2017.