... the language of Pskov and its regions in the 15th century

Karinsky, Nikolai Mikhailovich (1873-1935).... the language of Pskov and its regions in the 15th century / Nikolai Karinsky.- St. Petersburg: Type.M.A.Alexandrova, 1909. -[2], VIII, 207, [2] p.;24.-(Notes of the Historical and Philology Faculty of Imperial St. Petersburg University; Part 93).Electronic copy source: PB