1. Ivan Matveevich Vinogradov: Biographical Materials on the Occasion of the 120th Anniversary of His Birth (RMP, Yaroslavl, 2011) [in Russian].
2. Lists of settlements of the Russian Empire, compiled and published by the Central Statistical Committee of the Ministry of Internal Affairs;V. Zverinskii,1885
3. I. I. Vasil’ev, The Experience of the Geographic–Statistical Dictionary of the Pskov Province: Velikiye Luki District (Pskov. Gubern. Stat. Komitet, Pskov, 1884) [in Russian].
4. “Diocesan notices,” Pskov Diocesan Gazette. Official Part, No. 12 (June 15), 196 (1904).
5. “Diocesan notices,” Pskov Diocesan Gazette. Official Part, No. 10 (May 15), 163 (1904).