Columbia subject headings:
Horn of Africa--Foreign relations--Yemen (Republic)
Yemen (Republic)--Foreign relations--Horn of Africa.
Yemen (Republic)--Politics and government--20th century.
Harvard subject headings:
Horn of Africa--Foreign relations--Yemen (Republic)
Yemen (Republic)--Foreign relations--Horn of Africa.
Yemen (Republic)--Politics and government
Princeton subject headings:
Horn of Africa--Foreign relations--Yemen (Republic).
Yemen (Republic)--Foreign relations--Horn of Africa.
Yemen (Republic)--Politics and government.