Includes articles translated from several languages by various persons.

The Roman background of early Christianity, by A. Sherwin-White.--The barbaric invasions and the Christian West, by J.-M. Szymusiak.--The Christian humanism of the Renaissance and Scholasticism, by A. Weiler.--The Byzantine church and the Muslim world after the fall of Constantinople, by A.-T. Khoury.--The church on the eve of the Reformation, by R. Post.--The Chinese and Malabar rites, by H. Bernard-Maitre.--Catholicism and the Enlightenment, by G. Schwaiger.--The Mennaisian crisis, by M.-J. Le Guillou.--Americanism: the myth and the reality, by T. McAvoy.--From Occam to Luther, by H. Oberman.--St. Peter in contemporary exigesis, by B. Rigaux.