Columbia subject headings:
Art, Italian--Italy--Siena--Catalogs.
Art--Italy--Siena--Catalogs.
Harvard subject headings:
Art, Italian--Italy--Siena--Catalogs.
Art--Italy--Siena--Catalogs.
Fondazione Monte dei paschi di Siena--Art collections--Catalogs.
Princeton subject headings:
Art, Italian--Italy--Siena--Catalogs.
Art--Italy--Siena--Catalogs.
Catalogs.