Columbia subject headings:
Istanbul (Turkey)--History--Siege, 1453.
Mehmed II, Sultan of the Turks, 1432-1481.
Turkey--History--Mehmed II, 1451-1481.
Turkey--History--Ottoman Empire, 1288-1918.
Harvard subject headings:
Istanbul (Turkey)--History--Siege, 1453.
Mehmed II, Sultan of the Turks, 1432-1481.
Turkey--History--Mehmed II, 1451-1481.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Istanbul (Turkey)--History--Siege, 1453.
Mehmed II, Sultan of the Turks, 1432-1481.
Turkey--History--Mehmed II, 1451-1481.
Turkey--History--Ottoman Empire, 1288-1918.