Columbia subject headings:
Abdülhamid II, Sultan of the Turks, 1842-1918.
Censorship--Turkey--History.
Press--Turkey--History.
Turkey--History--1878-1909.
Harvard subject headings:
Abdülhamid II, Sultan of the Turks, 1842-1918.
Censorship--Turkey--History.
Internal security--Turkey--History.
Secret service--Turkey--History.
Princeton subject headings:
Abdülhamid II, Sultan of the Turks, 1842-1918.
Censorship--Turkey--History.
Secret service--Turkey--History.