Columbia subject headings:
Sultans--Turkey--Istanbul--Biography.
Turkey--History--Ottoman Empire, 1288-1918.
Harvard subject headings:
Sultans--Turkey--Istanbul--Biography.
Turkey--Court and courtiers.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Sultans--Turkey--Istanbul--Biography.
Turkey--History--Ottoman Empire, 1288-1918.