Columbia subject headings:
Art, Italian--Italy--Siena.
Palazzo pubblico (Siena, Italy)--History.
Siena (Italy)--Buildings, structures, etc.
Siena (Italy)--Politics and government.
Harvard subject headings:
Art--Italy--Siena
Palazzo della provincia (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.
Siena (Italy)--Politics and government.
Princeton subject headings:
Architecture, Italian--16th century--Italy--Siena.
Architecture, Italian--17th century--Italy--Siena.
Architecture, Modern--17th century.
Art and state--Italy--Siena.
Art, Italian--Italy--Siena.
Christian art and symbolism--Italy--Siena.
Mural painting and decoration, Italian--Italy--Siena.
Palaces--Italy--Siena--History.
Palazzo del Governo (Siena, Italy)
Siena (Italy)--Civilization.