The fiftieth anniversary of "thoughts about the history of the Russian language"

Vladimirov, Peter Vladimirovich (1854-1902).The fiftieth anniversary of the "thoughts on the history of the Russian language": (sketch of works for 50 years and new materials) / [cit.] P.V.Vladimirov.- Kiev: Type.Imp.UniversityVladimir N.T.Korchak-Novitsky, 1899. - [2], 45 s.;25. -OTT.From "Univ. Izv."1899.Electronic Source: PB