Columbia subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Photography--Turkey--History--19th century.
Turkey--Civilization--Pictorial works.
Turkey--Description and travel.
Turkey--History--Ottoman Empire, 1288-1918--Pictorial works.
Harvard subject headings:
Abdülhamid II, Sultan of the Turks, 1842-1918
Bismarck, Otto, Fürst von, 1815-1898
Photography--Turkey--History--19th century.
Turkey--Civilization--Pictorial works.
Turkey--Description and travel
Turkey--History--Ottoman Empire, 1288-1918--Pictorial works.
Princeton subject headings:
Abdülhamid II, Sultan of the Turks, 1842-1918.
Art, Ottoman--Exhibitions.
Bismarck, Otto, Fürst von, 1815-1898.
Middle East--Pictorial works.
Photography--Turkey--History.
Turkey--History--Abdülhamid II, 1876-1909.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--Pictorial works.