Columbia subject headings:
Turkey--History--1288-1453.
Turkey--History--1453-1683.
Harvard subject headings:
Turkey--History--1288-1453--Early works to 1800.
Turkey--History--1288-1453.
Turkey--History--1453-1683--Early works to 1800.
Turkey--History--1453-1683.
Princeton subject headings:
Turkey--History--1288-1453--Early works to 1800.
Turkey--History--1288-1453.
Turkey--History--1453-1683--Early works to 1800.
Turkey--History--1453-1683.