Columbia subject headings:
Battaglini, Oliviero, 1957---Art collections--Exhibitions.
Engraving, European--Exhibitions.
Engraving--Private collections--Italy--Exhibitions.
Etching, European--Exhibitions.
Etching--Private collections--Italy--Exhibitions.
Harvard subject headings:
Battaglini, Oliviero, 1957---Art collections--Exhibitions.
Engraving, European--Exhibitions.
Engraving--Private collections--Italy--Exhibitions.
Etching, European--Exhibitions.
Etching--Private collections--Italy--Exhibitions.
Princeton subject headings: