Columbia subject headings:
Istanbul (Turkey)--Pictorial works.
Harvard subject headings:
France. Armée. Service photographique et cinématographique.
Istanbul (Turkey)--Pictorial works.
Martinez, Romeo--Photograph collections.
Turkey--History--Mehmed VI, 1918-1922--Pictorial works.
World War, 1914-1918--Turkey--Istanbul--Pictorial works.
Princeton subject headings:
Istanbul (Turkey)--History.
Istanbul (Turkey)--Pictorial works.
Turkey--History--Mehmed VI, 1918-1922.