Columbia subject headings:
Developing countries--Foreign relations--United States.
Developing countries--Foreign relations.
Developing countries--Politics and government--20th century.
United States--Foreign relations--Developing countries.
Harvard subject headings:
Developing countries--Foreign relations--United States.
Developing countries--Foreign relations.
Developing countries--Politics and government--20th century.
United States--Foreign relations--Developing countries.
Princeton subject headings:
Developing countries--Foreign relations--United States.
Developing countries--Foreign relations.
Developing countries--Politics and government--20th century.
United States--Foreign relations--Developing countries.