Columbia subject headings:
Harvard subject headings:
Austria--History--Congresses.
Europe, Central--History--Congresses.
Europe, Central--History--Study and teaching (Graduate)--Congresses.
Europe, Eastern--History--Congresses.
Europe, Eastern--History--Study and teaching (Graduate)--Congresses.
Jews--Austria--History--Congresses.
Princeton subject headings:
Austria--History--Congresses.
Europe, Central--History--Congresses.
Europe, Central--History--Study and teaching (Graduate)--Congresses.
Europe, Eastern--History--Congresses.
Europe, Eastern--History--Study and teaching (Graduate)--Congresses.
Jews--Austria--History--Congresses.