Columbia subject headings:
Istituto nazionale per la grafica (Italy)--Exhibitions.
Piccinni, Antonio, 1846-1920--Exhibitions.
Harvard subject headings:
Istituto nazionale per la grafica (Italy)--Exhibitions.
Piccinni, Antonio, 1846-1920--Catalogues raisonnés.
Piccinni, Antonio, 1846-1920--Exhibitions.
Princeton subject headings:
Istituto nazionale per la grafica (Italy)--Exhibitions.
Piccinni, Antonio, 1846-1920--Exhibitions.