Columbia subject headings:
Amazonas (Colombia : Department)--Politics and government.
Llanos (Colombia and Venezuela)--Politics and government.
Harvard subject headings:
Amazonas (Colombia : Department)--Politics and government.
Llanos (Colombia and Venezuela)--Politics and government.
Princeton subject headings:
Amazonas (Colombia : Department)--Social conditions.
Colombia--Politics and government--1974-
Colombia--Social conditions--1970-
Llanos (Colombia and Venezuela)--Social conditions.