Columbia subject headings:
Harvard subject headings:
Asia--Politics and government--1945---Congresses.
Asia--Politics and government--Congresses.
Communism--Europe--Congresses
Europe--Politics and government--1945---Congresses.
World politics--1945---Congresses.
World politics--1945-1989--Congresses
Princeton subject headings:
Asia--Politics and government--Congresses.
Communism--Europe--Congresses.
Europe--Politics and government--1945---Congresses.
World politics--1945---Congresses.