Popes from the ghetto: a view of medieval Christendom, New York: Horizon Press, 1966.

This was the first formal Christian-Jewish disputation held in medieval Christendom.

Lucius was involved in the usual running of church business throughout medieval Christendom.

Pirenne was undoubtedly right in making Mahomet the creator of medieval Western Christendom.

The name also refers to other territorial gains (often small and short-lived) made by medieval Christendom against Muslim and pagan adversaries.

While conceptions of Muhammad in medieval Christendom and premodern times were largely negative, appraisals in modern history have been far less so.

Her particular concern, however, is with the return-from-death stories of medieval Christendom, up until the early 13th century.

Caesarius of Arles a precursor of medieval Christendom.

Among these structures are mosques, "the worship places of the most dangerous enemies of medieval Christendom."

In medieval Christendom the appropriate saying was 'The devil makes work for idle hands'.