Columbia subject headings:
Art, Italian--Italy--Siena--19th century.
Art, Italian--Italy--Siena.
Harvard subject headings:
Art, Italian--Italy--Siena--19th century.
Art, Italian--Italy--Siena.
Art, Modern--19th century--Italy--Siena.
Princeton subject headings:
Art, Italian--Italy--Siena.
Art, Modern--19th century--Italy--Siena.