Columbia subject headings:
Austria--Economic policy--18th century--Congresses.
Austria--Intellectual life--18th century--Congresses.
Austria--Social policy--18th century--Congresses.
Enlightenment--History--Congresses.
Harvard subject headings:
Austria--Economic policy--18th century--Congresses.
Austria--Intellectual life--18th century--Congresses.
Austria--Social policy--18th century--Congresses.
Enlightenment--Austria--Congresses.
Enlightenment--History--Congresses.
Princeton subject headings:
Austria--History--1519-1740.