Columbia subject headings:
Middle East--Social conditions.
Plague--Middle East--History.
Plague--Turkey--History.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--Social conditions.
Harvard subject headings:
Plague--Turkey.
Princeton subject headings:
Middle East--Social conditions.
Plague--Middle East--History.
Plague--Turkey--History.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--Social conditions.