Columbia subject headings:
Italy, Southern--History, Military--Congresses.
Italy, Southern--History--535-1268--Congresses.
Italy, Southern--Social conditions--Congresses.
Normans--Italy, Southern--Congresses.
Harvard subject headings:
Italy, Southern--History, Military--Congresses.
Italy, Southern--History--535-1268--Congresses.
Italy, Southern--Social conditions--Congresses.
Normans--Italy, Southern--Congresses.
Princeton subject headings:
Italy, Southern--History, Military--Congresses.
Italy, Southern--History--535-1268--Congresses.
Normans--Italy, Southern--History--Congresses.