1. The lives of the eighth-century popes (Liber pontificalis) : the ancient biographies of nine popes from AD 715 to AD 817 Format: Book Language: English Imprint: Liverpool : Liverpool University Press, 1992 9780853230182 Collection: BGC Monograph Stacks Call Number: BX1070 .L532513 1992 Available
2. The papal monarchy the Western church from 1050 to 1250 Author: Morris, Colin, 1928- Format: Online Resource Language: English Imprint: Oxford [Oxfordshire] : Clarendon Press ; New York : Oxford University Press, 1989 Series: ACLS Humanities E-Book Call Number: BR270 (INTERNET)
3. The growth of Papal government in the Middle Ages a study in the ideological relation of clerical to lay power Author: Ullmann, Walter, 1910- Format: Online Resource Language: English Imprint: London : Methuen, 1962 Series: ACLS Humanities E-Book Call Number: BX955.2 (INTERNET)
4. The correspondence of Pope Gregory VII selected letters from the Registrum Author: Catholic Church. Pope (1073-1085 : Gregory VII) Format: Online Resource Language: English Imprint: New York : Columbia University Press, c1990 Series: Records of civilization, sources and studies and ACLS Humanities E-Book Call Number: BX1187 (INTERNET)