Columbia subject headings:
Arab countries--History--1517-1918.
Syria--History--1516-1918.
Turkey--History--Ottoman Empire, 1288-1918.
Harvard subject headings:
Arab countries--History--1517-1918.
Syria--History--1516-1918.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Arab countries--History--1517-1918.
Syria--History--1516-1918.
Turkey--History--Ottoman Empire, 1288-1918.