Columbia subject headings:
Harvard subject headings:
Austria--History--1789-1900--Congresses.
Austria--History--Joseph II, 1780-1790--Congresses.
Josephinism--Congresses.
Reinalter, Helmut, 1943---Congresses.
Princeton subject headings:
Josephinism--Congresses.
Reinalter, Helmut, 1943---Congresses.