Jelavich, Charles. Tsarist Russia and Balkan nationalism: Russian influence in the internal affairs of Bulgaria and Serbia, 1879-1886 (U of California Press, 1958).
Kennan, George Frost. The Decline of Bismarck's European Order: Franco-Russian Relations, 1875-1890 (1979) pp 103-222
Khristov, Khristo Angelov. The unification of Northern and Southern Bulgaria in 1885 (Sofia Press, 1985).
MacDermott, Marcia. A History of Bulgaria, 1393-1885 (1962).
Taylor, A. J. P. The Struggle for Mastery in Europe: 1848–1918 (1954) pp 304–24.
von Huhn, Arthur Ernst. The Struggle of the Bulgarians for National Independence Under Prince Alexander: A Military and Political History of the War Between Bulgaria and Servia in 1885 (John Murray, 1886). online
Bahasa-bahasa lain
Bataković, Dušan T., penyunting (2005). Histoire du peuple serbe [History of the Serbian People] (dalam bahasa French). Lausanne: L’Age d’Homme.Selenggaraan CS1: bahasa tidak dikenali (link)
