Columbia subject headings:
Harvard subject headings:
Costanzo, Salvatore, 1804-1869.
Italy--Civilization--1789-1900.
Italy--Intellectual life--1789-1900.
Italy--Relations--Spain.
Spain--Intellectual life--19th century.
Spain--Relations--Italy.
Princeton subject headings:
Costanzo, Salvatore, 1804-1869.
Italy--Civilization--1789-1900.
Italy--Intellectual life--1789-1900.
Italy--Relations--Spain.
Spain--Intellectual life--19th century.
Spain--Relations--Italy.