Columbia subject headings:
Harvard subject headings:
Ethiopia--Description and travel.
Ethiopia--Foreign relations--Great Britain.
Great Britain--Foreign relations--Ethiopia.
Hewett, William Nathan Wrighte, Sir, 1834-1888.
Slave trade--Ethiopia.
Sudan--History--1881-1899.
Princeton subject headings:
Ethiopia--Description and travel.
Ethiopia--Foreign relations--Great Britain.
Great Britain--Foreign relations--Ethiopia.
Hewett, William Nathan Wrighte, Sir, 1834-1888.
Slave trade--Ethiopia.
Sudan--History--1821-1881.
Sudan--History--1881-1899.