Columbia subject headings:
Harvard subject headings:
Political planning--United States.
Research institutes--Political aspects--United States.
Research institutes--United States.
United States--Foreign relations--1993-2001.
United States--Foreign relations--2001-2009.
United States--Foreign relations--20th century.
Princeton subject headings:
Research institutes--Political aspects--United States.
United States--Foreign relations--1993-2001.
United States--Foreign relations--2001-2009.