This classic text outlines the development of the Papacy as an institution in the Middle Ages. With profound knowledge, insight and sophistication, Walter Ullma

During the Middle Ages, the popes of Rome claimed both spiritual authority and worldly powers, vying with emperors for supremacy, ruling over the Papal States,

The medieval papacy is treated as a historical phenomenon developing and changing in response to changing historical circumstances.

Historians commonly designate the High Middle Ages as the era of the "papal monarchy," when the popes of Rome vied with secular rulers for spiritual and tempora

"In this bestselling book, Barbara H. Rosenwein integrates the history of three medieval civilizations (European, Byzantine, and Islamic) in a dynamic narrative