Columbia subject headings:
Harvard subject headings:
Betancur, Belisario, 1923-2018
Colombia--Politics and government--1974-
Drug control--Colombia--Caquetá.
Drug traffic--Colombia--Caquetá.
Guerrillas--Colombia--Caquetá.
Princeton subject headings:
Betancur, Belisario, 1923-2018.
Colombia--Politics and government--1974-
Drug control--Colombia--Caquetá.
Drug traffic--Colombia--Caquetá.
Guerrillas--Colombia--Caquetá.