Columbia subject headings:
Dialectical materialism--Congresses.
Germany (East)--Historiography--Congresses.
History--Study and teaching--Germany (East)--Congresses.
History--Study and teaching--Soviet Union--Congresses.
Soviet Union--Historiography--Congresses.
Harvard subject headings:
Dialectical materialism--Congresses.
Germany (East)--Historiography--Congresses.
History--Study and teaching--Germany (East)--Congresses.
History--Study and teaching--Soviet Union--Congresses.
Soviet Union--Historiography--Congresses.
Princeton subject headings:
Dialectical materialism--Congresses.
Germany (East)--Historiography--Congresses.
History--Study and teaching--Germany (East)--Congresses.
History--Study and teaching--Soviet Union--Congresses.
Soviet Union--Historiography--Congresses.