Columbia subject headings:
Egypt--History--19th century.
Massawa (Ethiopia)--History.
Sawākin (Sudan)--History.
Harvard subject headings:
Egypt--History--19th century.
Massawa (Ethiopia)--History.
Red Sea Region--History.
Sawākin (Sudan)--History.
Princeton subject headings:
Egypt--History--Ismail, 1863-1879.
Egypt--History--Tawfīq, 1879-1892.
Massawa (Ethiopia)--History.
Sawākin (Sudan)--History.