Symbols as power : the papacy following the investiture contest - Stroll, Mary. (Leiden ; New York : E.J. Brill, 1991)
Includes bibliographical references (p. [215]-232) and index.
Keywords: Callistus -- II, -- Pope, -- d. 1124.; Church history -- Middle Ages, 600-1500.; Church and state -- Europe -- History; Papacy -- History -- To 1309.; Popes -- Temporal power