Columbia subject headings:
Great Britain--Foreign relations--Horn of Africa--19th century.
Horn of Africa--Foreign relations--Great Britain--19th century.
Harvard subject headings:
Great Britain--Foreign relations--Horn of Africa--19th century.
Horn of Africa--Foreign relations--Great Britain--19th century.
Princeton subject headings:
Great Britain--Foreign relations--Horn of Africa--19th century.
Horn of Africa--Foreign relations--Great Britain--19th century.