ISBN 90-04-18646-8, ISBN 978-90-04-18646-0*Bernhard Walter Scholz, "Carolingian chronicles: Royal Frankish annals and Nithard's Histories", p. 104-106
ISBN 90-04-18646-8, ISBN 978-90-04-18646-0* Bernhard Walter Scholz, "Carolingian chronicles: Royal Frankish annals and Nithard’s Histories", p. 104—106