Columbia subject headings:
Harvard subject headings:
Collective memory--Germany (East)--Congresses.
Germany (East)--History--Congresses.
Germany (East)--History--Research--Congresses.
Germany (East)--Politics and government--Congresses.
Princeton subject headings:
Germany (East)--Historiography--Congresses.
Germany (East)--Politics and government--Congresses.
Political persecution--Germany (East)--Congresses.