"Collins approaches her subject with impressive and wide-ranging learning, combining command of Cola's intellectual sources in Roman history, prophetic traditions, and legal treatises with archival research into contemporary Roman social life...Collins successfully revises the received interpretation of Cola as an exceptional and ephemeral figure, and her work will be of great interest to historians of late-medieval Italy as well as to those interested in the intersections of political and religious ideology in the Middle Ages. Above all, Greater than Emperor succeeds in its main goal of returning Cola di Rienzo to trecento Rome and to his own history."—Speculum