Columbia subject headings:
China--History--Tiananmen Square Incident, 1989.
China--Politics and government--1976-2002.
Harvard subject headings:
China--History--Tiananmen Square Incident, 1989.
China--Politics and government--1976-
Princeton subject headings:
China--History--Tiananmen Square Incident, 1989.
China--Politics and government--1976-.