Columbia subject headings:
Andes Region--Economic conditions--Periodicals.
Andes Region--Politics and government--Periodicals.
Harvard subject headings:
Andes Region--Economic conditions--Periodicals.
Andes Region--Politics and government--Periodicals.
Princeton subject headings:
Andes Region--Economic conditions--Periodicals.
Andes Region--Politics and government--Periodicals.
Andes region--Periodicals.