Charlemagne and Louis the Pious Lives by Einhard, Notker, Ermoldus, Thegan, and the Astronomer Noble, Thomas F. X. Heftet / 2012 / Engelsk
Charlemagne and Louis the Pious Lives by Einhard, Notker, Ermoldus, Thegan, and the Astronomer Noble, Thomas F. X. Innbundet / 2009 / Engelsk
Soldiers of Christ Saints and Saints’ Lives from Late Antiquity and the Early Middle Ages Noble, Thomas F. X. Heftet / 1995 / Engelsk
Cambridge History of Christianity: Volume 3, Early Medieval Christianities, c.600–c.1100 Noble, Thomas F. X. Innbundet / 2008 / Engelsk
Republic of St. Peter The Birth of the Papal State, 68-825 Noble, Thomas F. X. Heftet / 1986 / Engelsk