Columbia subject headings:
Harvard subject headings:
Dictatorship--Germany (East)--Congresses.
Germany (East)--Social conditions--Congresses.
Home--Germany (East)--History--Congresses.
Political culture--Germany (East)--Congresses.
Princeton subject headings:
Dictatorship--Germany (East)--Congresses.
Germany (East)--Social conditions--Congresses.
Home--Germany (East)--History--Congresses.
Political culture--Germany (East)--Congresses.