Indexes articles in journals, conference proceedings, and essay collections published worldwide. Publications dealing with the period 400-1500 and published since 1967 are covered. Subject areas include: Classics, Language and Literature, History and Archaeology, Theology and Philosophy, Arabic and Islamic Studies, Art History, Music, Theatre and Performance Arts, Crusades, Hagiography, Onomastics, Numismatics, Historiography, Epigraphy, medieval Manuscripts, Charters, Documents. Middle Ages.