Columbia subject headings:
Italy, Southern--History--1268-1735--Congresses.
Italy, Southern--History--535-1268--Congresses.
Naples (Kingdom)--History--1016-1268--Congresses.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442--Congresses.
Normans--Italy--Naples (Kingdom)--Congresses.
Swabians--Italy--Naples (Kingdom)--Congresses.
Harvard subject headings:
Italy, Southern--History--1268-1735--Congresses.
Italy, Southern--History--535-1268--Congresses.
Naples (Kingdom)--History--1016-1268--Congresses.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442--Congresses.
Normans--Italy--Naples (Kingdom)--Congresses.
Swabians--Italy--Naples (Kingdom)--Congresses.
Princeton subject headings:
Italy, Southern--History--13th century--Congresses.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442--Congresses.
Normans--Italy, Southern--Congresses.