↑Walther, Ingo F. and Norbert Wolf. Codices Illustres: The world's most famous illuminated manuscripts, 400 to 1600. Köln, TASCHEN, 2005. Fuente citada en en:Codex Aureus of Echternach
↑Walther, Ingo F. and Norbert Wolf. Codices Illustres: The world's most famous illuminated manuscripts, 400 to 1600. Köln, TASCHEN, 2005. Fuente citada en en:Golden Gospels of Henry III