Columbia subject headings:
Architectural drawing--Italy--Sicily--18th century--Exhibitions.
Architecture, Baroque--Italy--Sicily--Exhibitions.
Drawing--Private collections--Italy--Syracuse--Exhibitions.
Gagliardi, Rosario, 1698?-1762?--Exhibitions.
Mazza, Giuseppe (Art collector)--Art collections--Exhibitions.
Harvard subject headings:
Architectural drawing--Italy--Sicily--18th century.
Architecture, Baroque--Italy--Sicily--18th century.
Gagliardi, Rosario, 1698?-1762?
Princeton subject headings:
Architectural drawing--Italy--Sicily--18th century--Exhibitions.
Architecture, Baroque--Italy--Sicily--Exhibitions.
Drawing--Private collections--Italy--Siracusa--Exhibitions.
Gagliardi, Rosario, 1698?-1762?--Exhibitions.
Mazza, Giuseppe (Art collector)--Art collections--Exhibitions.