Columbia subject headings:
Harvard subject headings:
Archivio di Stato (Siena, Italy)
Heraldry--Italy--Siena--History--Sources--Bibliography--Catalogs.
Nobility--Italy--Siena--History--Sources--Bibliography--Catalogs.
Siena (Italy)--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Siena (Italy)--Genealogy.
Siena (Italy)--History--Sources.