Columbia subject headings:
Colombia--Politics and government--1946-1974.
Colombia--Politics and government--1974-
Ejército de Liberación Nacional (Colombia)
Guerrillas--Colombia--History.
Insurgency--Colombia--History.
Political violence--Colombia--History.
Harvard subject headings:
Colombia--Politics and government--1946-1974.
Colombia--Politics and government--1974-
Ejército de Liberación Nacional (Colombia)
Guerrillas--Colombia--History
Insurgency--Colombia--History.
Political violence--Colombia--History.
Princeton subject headings:
Colombia--Politics and government--1946-1974.
Colombia--Politics and government--1974-
Ejército de Liberación Nacional (Colombia)
Guerrillas--Colombia--History.
Insurgency--Colombia--History.
Political violence--Colombia--History.