Columbia subject headings:
Philippines--Foreign relations--United States.
United States--Foreign relations--1981-1989.
United States--Foreign relations--Philippines.
Harvard subject headings:
Philippines--Foreign relations--United States
Philippines--Politics and government--1973-1986.
Philippines--Politics and government--1986-
United States--Foreign relations--1981-1989.
United States--Foreign relations--Philippines.
Princeton subject headings:
Philippines--Foreign relations--United States.
United States--Foreign relations--1981-1989.
United States--Foreign relations--Philippines.