Columbia subject headings:
United States--Foreign relations administration--Periodicals.
United States--Foreign relations--1989---Periodicals.
United States--Foreign relations--Periodicals.
United States--Foreign relations--Sources--Periodicals.
World politics--Periodicals.
Harvard subject headings:
United States--Foreign relations--Periodicals.
United States--Foreign relations--Sources--Periodicals.
Princeton subject headings:
Periodicals.
United States--Foreign relations--Periodicals.
United States--Foreign relations--Sources--Periodicals.
World politics--Periodicals.