Columbia subject headings:
Art, Italian--Italy--Siena (Province)--15th century.
Art, Italian--Italy--Siena--15th century.
Pius II, Pope, 1405-1464--Art patronage.
Harvard subject headings:
Art, Italian--Italy--Siena (Province)--15th century.
Art, Italian--Italy--Siena--15th century.
Pius II, Pope, 1405-1464--Art patronage.
Princeton subject headings:
Art, Italian--Italy--Siena (Province)--15th century.
Art, Italian--Italy--Siena--15th century.
Pius II, Pope, 1405-1464--Art patronage.