Columbia subject headings:
Castello Carlo V (Lecce, Italy)--History.
Castles--Italy--Lecce--History.
Graffiti--Italy--Lecce.
Lecce (Italy)--Buildings, structures, etc.
Prisoners--Italy--Lecce--History.
Prisons--Italy--Lecce--History.
Harvard subject headings:
Castello Carlo V (Lecce, Italy)--History.
Castles--Italy--Lecce--History.
Graffiti--Italy--Lecce.
Lecce (Italy)--Buildings, structures, etc.
Prisoners--Italy--Lecce--History.
Prisons--Italy--Lecce--History.
Princeton subject headings:
Castello Carlo V (Lecce, Italy)--History.
Castles--Italy--Lecce--History.
Graffiti--Italy--Lecce.
Lecce (Italy)--Buildings, structures, etc.
Prisoners--Italy--Lecce--History.
Prisons--Italy--Lecce--History.