Columbia subject headings:
Drawing, Italian--Italy--Tuscany--20th century--Exhibitions.
Drawing, Italian--Italy--Tuscany--Exhibitions.
Harvard subject headings:
Drawing, Italian--Italy--Tuscany--Exhibitions.
Drawing--20th century--Italy--Tuscany--Exhibitions.
Princeton subject headings:
Drawing, Italian--Italy--Tuscany--Exhibitions.
Drawing--20th century--Italy--Tuscany--Exhibitions.