Title: Osmanlı'nın derin adamı
Subjects: History, Intelligence service, Espionage, Secret service, İttihat ve Terakki Cemiyeti, Teşkilat-ı Mahsusa (Turkey), Weltkrieg, Geheimdienst, Geheimagent, Komitee für Einheit und Fortschritt
Places: Turkey
People: Yakup Cemil (1874-1916 or 1917)
Time periods: Mehmed V, 1909-1918, Ottoman Empire, 1288-1918