Church, Kingship, and Lay Investiture in England, 1089-1135

In the latter part of the eleventh century a revolutionary group within the Western Church, centered in the papacy, attempted to overthrow the early medieval system of church-state relations by which the church in each country was under control of the kings and other secular rulers. Here is a comprehensive history of these controversies during the crucial period from the death of Archbishop Lanfra...