LeDonne John P. Russian Empire… — P. 115–119; Bournoutian George G. The Ethnic Composition and Socio-Economic Condition of Eastern Armenia in the First Half of the Nineteenth Century // Transcaucasia: Nationalism and Social Change / Ed. by Ronald Grigor Suny; rev. ed. — Ann Arbor: University of Michigan Press, 1996. — P. 69–86; Suny Ronald Grigor. Eastern Armenians under Tsarist Rule // The Armenian People from Ancient to Modern Times / Richard G. Hovannisian. — London: Macmillan, 1997. — Vol. 2. — P. 109–134.