Columbia subject headings:
Drawing, Baroque--Italy--Siena--Exhibitions.
Drawing, Italian--Italy--Siena--16th century--Exhibitions.
Drawing, Italian--Italy--Siena--17th century--Exhibitions.
Drawing, Renaissance--Italy--Siena--Exhibitions.
Harvard subject headings:
Drawing, Baroque--Italy--Siena--Exhibitions.
Drawing, Italian--Italy--Siena--16th century--Exhibitions.
Drawing, Italian--Italy--Siena--17th century--Exhibitions.
Drawing, Renaissance--Italy--Siena--Exhibitions.
Princeton subject headings:
Drawing, Baroque--Italy--Siena--Exhibitions.
Drawing, Italian--Italy--Siena--16th century--Exhibitions.
Drawing, Italian--Italy--Siena--17th century--Exhibitions.
Drawing, Renaissance--Italy--Siena--Exhibitions.