Columbia subject headings:
Art and state--Italy--Siena.
Art, Italian--Italy--Siena.
Christian art and symbolism--Italy--Siena.
Mural painting and decoration, Italian--Italy--Siena.
Siena (Italy)--Civilization.
Harvard subject headings:
Art and state--Italy--Siena.
Art, Italian--Italy--Siena.
Christian art and symbolism--Italy--Siena.
Mural painting and decoration, Italian--Italy--Siena.
Siena (Italy)--Civilization.
Princeton subject headings:
Art and state--Italy--Siena.
Art, Italian--Italy--Siena.
Christian art and symbolism--Italy--Siena.
Mural painting and decoration, Italian--Italy--Siena.
Siena (Italy)--Civilization.