Columbia subject headings:
Harvard subject headings:
Dictators--Germany (East)--Congresses.
Dictators--Germany--Congresses.
Germany (East)--Politics and government--Congresses.
Germany--Politics and government--1933-1945--Congresses.
Princeton subject headings:
Dictators--Germany (East)--Congresses.
Dictators--Germany--Congresses.
Germany (East)--Politics and government--Congresses.
Germany--Politics and government--1933-1945--Congresses.