Columbia subject headings:
Harvard subject headings:
Turkey--Economic conditions--Sources.
Turkey--Economic conditions--Statistics.
Turkey--History--Ottoman Empire, 1288-1918--Sources.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--Social conditions--Sources.
Turkey--Social conditions--Statistics.
Princeton subject headings:
Statistics.
Turkey--Economic conditions--History--1288-1918--Sources.
Turkey--Economic conditions--History--1288-1918--Statistics.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--Social conditions--History--1288-1918--Sources.
Turkey--Social conditions--History--1288-1918--Statistics.