Columbia subject headings:
Guerrillas--Llanos (Colombia and Venezuela)
Social conflict--Llanos (Colombia and Venezuela)
Violence--Llanos (Colombia and Venezuela)
Harvard subject headings:
Guerrillas--Llanos (Colombia and Venezuela)
Social conflict--Llanos (Colombia and Venezuela)
Violence--Llanos (Colombia and Venezuela)
Princeton subject headings:
Colombia--Politics and government--1946-1974.
Guerrillas--Llanos (Colombia and Venezuela).
Violence--Llanos (Colombia and Venezuela).