Columbia subject headings:
Colombia--History--1946-1974.
Colombia--History--1974-
Social action--Colombia--History--20th century.
Social change--Colombia--History--20th century.
Social movements--Colombia--History--20th century.
Harvard subject headings:
Colombia--Politics and government--1946-1974
Colombia--Politics and government--1974-
Colombia--Social conditions--20th century.
Protest movements--Colombia--History--20th century.
Princeton subject headings:
Colombia--History--1946-1974.
Colombia--History--1974-
Social action--Colombia--History--20th century.
Social change--Colombia--History--20th century.
Social movements--Colombia--History--20th century.