Jaffé, Regesta RR. PP., II, under Adrian 1V, Alexander III. Johannes M. Brixius, Die Mitglieder des Kardinalkollegiums von 1130-1181, Berlin 1912 Barbara Zenker, Die Mitglieder des Kardinalkollegiums von 1130 bis 1159, Würzburg 1964 I.S. Robinson, The Papacy 1073-1198. Continuity and Innovation, Cambridge University Press 1990 B. Bolton, A. Duggan, Adrian IV, the English Pope, 1154–1159: Studies and Texts, Ashgate Publishing, Ltd. 2003 Geisthardt, F., Der Kämmerer Boso (Eberings Hist. Stud. 293), Berlin 1936 1178 deaths 12th-century Italian cardinals Camerlengos of the Holy Roman Church Year of birth unknown Religious leaders from Lucca