Our enemies

Kovalevsky, Pavel Ivanovich (1849-1923).Our enemies: essays / [cit.] Prof.PNKovalevsky, S.N.Syromyatnikova (Sigma), and A.M.Mikhailova.- Petrograd: Type."Commonwealth", 1915. -72 p.: IL.;22. - (library "Voice of Russia"; Issue 1).-On the regionin the bottomError: prof.N.I.Kovalevsky ....I. Syromyatnikov, Sergey Nikolaevich (1864-1937).II.Mikhailov, Alexander Mikhailovich.Electronic Source: PB