Columbia subject headings:
Engravers--Italy.
Engraving, Italian--Italy--Marche--20th century--Exhibitions.
Engraving, Italian--Italy--Marche--Exhibitions.
Harvard subject headings:
Engravers--Italy.
Engraving, Italian--Italy--Marche (Region)--Exhibitions.
Engraving--20th century--Italy--Marche (Region)--Exhibitions.
Princeton subject headings:
Engravers--Italy.
Engraving, Italian--Italy--Marche--Exhibitions.
Engraving--20th century--Italy--Marche--Exhibitions.