Columbia subject headings:
Arnaldo, da Brescia, -1155.
Christian heretics--Italy.
Civilization, Medieval--Historiography.
Europe--Church history--600-1500--Historiography.
Harvard subject headings:
Arnaldo, da Brescia, -1155--Influence.
Arnaldo, da Brescia, -1155.
Christian heretics--Italy.
Church history--Middle Ages, 600-1500
Civilization, Medieval--Historiography.
Europe--Church history--600-1500--Historiography.
Europe--Historiography.
Humanism--History.
Popes--Temporal power
Princeton subject headings: