Columbia subject headings:
Architecture, Medieval--Italy--Mercato San Severino.
Castles--Italy--Mercato San Severino.
Mercato San Severino (Italy)--Buildings, structures, etc.
Harvard subject headings:
Archaeology, Medieval--Italy--Mercato San Severino.
Castles--Italy--Campania.
Castles--Italy--Mercato San Severino.
Mercato San Severino (Italy)--History.
Princeton subject headings:
Archaeology, Medieval--Italy--Mercato San Severino.
Castles--Italy--Campania.
Castles--Italy--Mercato San Severino.
Mercato San Severino (Italy)--History.