Columbia subject headings:
Calcografia nazionale (Italy)--History.
Graphic arts--Italy--History--20th century.
Istituto nazionale per la grafica (Italy)--History.
Harvard subject headings:
Calcografia nazionale (Italy)--Archives--Catalogs.
Calcografia nazionale (Italy)--History--20th century.
Calcografia nazionale (Italy)--History--Sources--Bibliography--Catalogs.
Prints, Italian--Italy--Rome--20th century.
Prints--Technique--Study and teaching--Italy--Rome--History--20th century.
Princeton subject headings:
Calcografia nazionale (Italy)--Archives--Catalogs.
Calcografia nazionale (Italy)--History--20th century.
Calcografia nazionale (Italy)--History--Sources--Bibliography--Catalogs.
Catalogs.
Prints, Italian--Italy--Rome--20th century.
Prints--Technique--Study and teaching--Italy--Rome--History--20th century.