Columbia subject headings:
Renaissance--Italy--Siena.
Siena (Italy)--History--1355-1557.
Harvard subject headings:
Siena (Italy)--History--15th century.
Siena (Italy)--Politics and government.
Princeton subject headings:
Renaissance--Italy--Siena.
Siena (Italy)--History--1355-1557.
Siena (Italy)--Politics and government.