Columbia subject headings:
Excavations (Archaeology)--Italy--Siena (Province)
Human settlements--Italy--Siena (Province)
Siena (Italy : Province)--Antiquities.
Harvard subject headings:
Archaeology, Medieval--Italy--Siena (Province)
Excavations (Archaeology)--Italy--Siena (Province)
Human settlements--Italy--Siena (Province)
Siena (Italy : Province)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Italy--Siena (Province).
Human settlements--Italy--Siena (Province).
Siena (Italy : Province)--Antiquities.