Columbia subject headings:
Drawing, European--Exhibitions.
Drawing--Italy--Rome--Exhibitions.
Istituto nazionale per la grafica (Italy)--Exhibitions.
Harvard subject headings:
Drawing, European--Exhibitions.
Drawing, Italian--Italy--Rome--Exhibitions.
Drawing--Italy--Rome--Exhibitions.
Istituto nazionale per la grafica (Italy)--Exhibitions.
Princeton subject headings:
Drawing, European--Italy--Rome--Exhibitions.
Drawing, Italian--Italy--Rome--Exhibitions.
Drawing--Italy--Rome--Exhibitions.
Istituto nazionale per la grafica (Italy)--Exhibitions.