Columbia subject headings:
Art and photography--Italy--Exhibitions.
Artists--Italy--Portraits--Exhibitions.
Mulas, Ugo--Exhibitions.
Photography of art--Exhibitions.
Photography, Artistic--Exhibitions.
Portrait photography--Italy--Exhibitions.
Harvard subject headings:
Mulas, Ugo--Exhibitions.
Photography, Artistic--20th century--Exhibitions.
Princeton subject headings:
Art and photography--Italy--Exhibitions.
Artists--Italy--Portraits--Exhibitions.
Mulas, Ugo--Exhibitions.
Photography of art--Exhibitions.
Photography, Artistic--Exhibitions.
Portrait photography--Italy--Exhibitions.
Portraits.