Columbia subject headings:
Harvard subject headings:
Italy--History--1789-1815.
Postage stamps--Italy--History--18th century--Catalogs.
Postage stamps--Italy--History--19th century--Catalogs.
Postal service--Italy--History--18th century.
Postal service--Italy--History--19th century.
Princeton subject headings:
Italy--History--1789-1815.
Postal service--Italy--History.