Columbia subject headings:
Developing countries--Politics and government.
Guerrilla warfare--History--20th century.
Revolutions--History--20th century.
Socialism--History--20th century.
World politics--1945-1989.
Harvard subject headings:
Developing countries--Politics and government.
Guerrilla warfare--History--20th century.
Revolutions--History--20th century
Socialism--History--20th century
World politics--1945-
Princeton subject headings:
Developing countries--Politics and government.
Guerrilla warfare--History--20th century.
Revolutions--History--20th century.
Socialism--History--20th century.
World politics--1945-1989.