Van Uytfanghe, Marc. “L’ancien Français (Archaïque) et Le Fonctionnement de La Communication Verticale Latine En Gaule (VIIe-VIIIe Siècles).” Spoken and Written Language : Relations between Latin and the Vernacular Languages in the Earlier Middle Ages, edited by Mary Garrison et al., vol. 24, Brepols, 2013, pp. 149–62.