Title: Select mediaeval documents and other material, illustrating the history of church and empire, 754 A.D.-1254 A.D
Subjects: Catholic Church, Church and state, Church history, History, Middle Ages, Popes, Sources, Temporal power, Pouvoir temporel, Histoire, Papes, Église catholique, Église et État
Places: Holy Roman Empire
Time periods: 843-1273, Middle Ages, 600-1500