Columbia subject headings:
Harvard subject headings:
Communism--Germany (East)--Congresses.
Germany (East)--Economic policy--Congresses.
Germany (East)--Politics and government--Congresses.
Germany (East)--Social policy--Congresses.
Germany--Economic conditions--1945-1990--Congresses.
Ulbricht, Walter, 1893-1973--Congresses.
Princeton subject headings:
Communism--Germany (East)--Congresses.
Germany (East)--Economic policy--Congresses.
Germany (East)--Politics and government--Congresses.
Germany (East)--Social policy--Congresses.
Germany--Economic conditions--1945-1990--Congresses.
Ulbricht, Walter, 1893-1973--Congresses.