Columbia subject headings:
Naples (Kingdom)--History--1016-1268--Exhibitions.
Sicily (Italy)--History--1194-1282--Exhibitions.
Swabians--Italy--Naples (Kingdom)--Exhibitions.
Swabians--Italy--Sicily--Exhibitions.
Harvard subject headings:
Naples (Kingdom)--History--1016-1268--Exhibitions.
Sicily (Italy)--History--1194-1282--Exhibitions.
Swabians--Italy--Naples (Kingdom)--Exhibitions.
Swabians--Italy--Sicily--Exhibitions.
Princeton subject headings:
Naples (Kingdom)--History--1016-1268--Exhibitions.
Sicily (Italy)--History--1194-1282--Exhibitions.
Swabians--Italy--Naples (Kingdom)--Exhibitions.
Swabians--Italy--Sicily--Exhibitions.