«Russia concentrates» (on the preparation of military campaign against the Ottoman empire)

The article is devoted to the various plans of the Russian military campaign against the Ottoman empire in 1877. The author concentrates not only on the well-known project by N.N. Obruchev, but also on some alternative projects elaborated by N.P. Ignatieff, D.A. Skalon and others. The article provides some historical parallels between the Russia and the Balkan countries.