Medieval & early Renaissance medicine: an introduction to knowledge and practice Nancy G. Siraisi c1990
The implications of literacy: written language and models of interpretation in the eleventh and twelfth centuries Brian Stock c1983
The immortal emperor: the life and legend of Constantine Palaiologos, last emperor of the Romans Donald MacGillivray Nicol 1992
The Jewish-Christian debate in the high Middle Ages: a critical edition of the Niẓẓaḥon vetus with an introd., translation, and commentary David Berger 1979