Dutton, Paul Edward, ed. and trans. Charlemagne's Courtier: The Complete Einhard, pp. 21–22. Peterborough, Ontario, Canada: Broadview Press, 1998. Einhard at the Latin Library12 Nisan 2016 tarihinde Wayback Machine sitesinde arşivlendi..
Dutton, Paul Edward, ed. and trans. Charlemagne's Courtier: The Complete Einhard, pp. 21–22. Peterborough, Ontario, Canada: Broadview Press, 1998. Einhard at the Latin Library12 Nisan 2016 tarihinde Wayback Machine sitesinde arşivlendi..