Columbia subject headings:
Cambodia--Population.
Democracy--Cambodia.
Genocide--Cambodia.
Party of Democratic Kampuchea.
Harvard subject headings:
Cambodia--Population.
Democracy--Cambodia.
Genocide--Cambodia
Parti communiste du Kampuchea.
Princeton subject headings:
Cambodia--History--20th century--Congresses.
Cambodia--Politics and government--1975-1979--Congresses.
Cambodia--Politics and government--1979---Congresses.
United Nations--Cambodia--Congresses.