Columbia subject headings:
Colombia--Economic conditions--1970-
Colombia--Social conditions--1970-
Drug control--Colombia.
Drug traffic--Colombia.
Insurgency--Colombia.
Harvard subject headings:
Colombia--Economic conditions--1970-
Colombia--Social conditions--1970-
Drug control--Colombia
Drug traffic--Colombia.
Insurgency--Colombia
Princeton subject headings:
Colombia--Economic conditions--1970-
Colombia--Social conditions--1970-
Drug control--Colombia.
Drug traffic--Colombia.
Insurgency--Colombia.
Political violence--Colombia.