Columbia subject headings:
United States--Foreign relations administration.
United States--Foreign relations--1977-1981.
Vance, Cyrus R. (Cyrus Roberts), 1917-2002.
Harvard subject headings:
United States--Foreign relations administration.
United States--Foreign relations--1977-1981.
Vance, Cyrus R. (Cyrus Roberts), 1917-2002.
Princeton subject headings:
United States--Foreign relations administration.
United States--Foreign relations--1977-1981.
Vance, Cyrus R. (Cyrus Roberts), 1917-2002.