History as a visual art in the twelfth-century renaissance

The investiture controversy

Imperial lives and letters of the eleventh century

Conversion and text

Understanding conversion

Tradition and authority in the western church, 300-1140

The mimetic tradition of reform in the West

The male gaze and other reasons for the hypothetical end of Christian art in the West

The Church in the Roman Empire

Seeing the invisible in late antiquity and the early Middle Ages

Medieval Europe

I am you

Holiness and politics in early medieval thought