Columbia subject headings:
Istanbul (Turkey)--Description and travel.
Istanbul (Turkey)--History.
Istanbul (Turkey)--Social life and customs.
Harvard subject headings:
Istanbul (Turkey)--Description and travel.
Istanbul (Turkey)--History.
Istanbul (Turkey)--Social life and customs.
Princeton subject headings:
Istanbul (Turkey)--Description and travel.
Istanbul (Turkey)--History.
Istanbul (Turkey)--Social life and customs.