Columbia subject headings:
Anjou, House of.
Aragon, House of.
Castles--Italy, Southern--History.
Fortification--Italy, Southern--History.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442.
Naples (Kingdom)--History--Spanish rule, 1442-1707.
Harvard subject headings:
Castles--Italy--Naples (Kingdom)--History.
Fortification--Italy--Naples (Kingdom)--History.
Military architecture--Italy--Naples (Kingdom)--History.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442.
Naples (Kingdom)--History--Spanish rule, 1442-1707.
Princeton subject headings:
Anjou, House of.
Aragon, House of.
Castles--Italy, Southern--History.
Castles--Italy--Naples (Kingdom)--History.
Fortification--Italy--Naples (Kingdom)--History.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442.
Naples (Kingdom)--History--Spanish rule, 1442-1707.