Columbia subject headings:
Harvard subject headings:
Arab countries--History--1517-1918.
Egypt--History--19th century.
Egypt--Politics and government--19th century.
Hejaz (Saudi Arabia)--History--19th century.
Turkey--History--19th century.
Turkey--Politics and government--19th century.
Yemen (Republic)--History--19th century.
Yemen (Republic)--Politics and government--19th century.
Princeton subject headings:
Egypt--Politics and government--19th century.
Europe--Foreign relations--Turkey.
Hejaz (Saudi Arabia)--History.
Turkey--Foreign relations--Europe.
Turkey--Politics and government--19th century.
Yemen (Republic)--History.