Theodora was characterized by the aforementioned Liutprand as a "shameless whore ... [who] exercised power on the Roman citizenry like a man".[2] Liutprand, a bishop of Cremona, was known to his contemporaries and modern historians as being unfair to adversaries.
General bibliography
E. Dümmler, Auxilius u. Vulgarius. Quellen und Forschungen zur Geschichte des Papsttums im Anfange des zehnten Jahrhunderts, Leipzig 1866, pp. 12–26;
P. Fedele, Ricerche per la storia di Roma e del papato al secolo X, in "Archivio della Società Romana di Storia Patria", 33, 1910, pp. 177–247; 34, 1911, pp. 75–115 e 393–423;
L. Duchesne, Serge III. et Jean XI., in "Mélanges d'archéologie et d'histoire", 33 (1913), pp. 25–64
Ferdinand Gregorovius, Storia di Roma nel medioevo, New Compton Editori Srl, Roma 1972
^McCabe, Joseph (200u). Crises in the history of the papacy: a study of twenty famous popes whose careers and whose influence were important in the development of the church and in the history of the world. [Whitefish, Mont.]: Kessinger Publishing. ISBN0766179044.