Letters of Emperor Nicholas I to Prince P.M.Volkonsky and Count B.A.Perovsky

Nicholas I (Imp.; 1796-1855).Letters of Emperor Nicholas I to Prince P.M.Volkonsky and Count B.A.Perovsky: with arr.response letter c.Perovsky: (from the archive gr. B.A. Perovsky. Post. C. V.B. Pepovskaya).- St. Petersburg: Type.M. Stasyulevich, 1903. - [2], 4 s.;28. -.I. Volkonsky, Peter Mikhailovich (1776-1852).II.Perovsky, Boris Alekseevich.III.Perovskaya, V.B.Electronic Source: PB