Harvest of Medieval Theology: Gabriel Biel and late medieval nominalism. By Heiko Augustinus Overman.
Ref. BT 26 .O2
Bibliotheca symbolica ecclesiae universalis: The Creeds of Christendom, with a history and critical notes. By Philip Schaff.
Ref. BT 990 .S4 1966
History of Christian Philosophy in the Middle Ages. By Etienne Gilson.
Ref. B 72 .G48
