Columbia subject headings:
Humanitarian assistance, American--Liberia.
Liberia--Foreign relations--United States.
Liberia--Politics and government--1980-
United States--Foreign relations--Liberia.
Harvard subject headings:
Humanitarian assistance, American--Liberia.
Liberia--Foreign relations--United States.
Liberia--Politics and government--1980-
United States--Foreign relations--Liberia.
Princeton subject headings:
Humanitarian assistance, American--Liberia.
Liberia--Foreign relations--United States.
Liberia--Politics and government--1980-
United States--Foreign relations--Liberia.