Author Князьков Сергей Александрович Description Knyazkov, Sergei Alexandrovich (1873-1920?). How did the split in the Russian church begin? essay / S. Kniazkov. - 3rd ed., Rev. and additional. -Saint Petersburg: P.V. Lukovnikov, 1911. -110 p. ; 19. - Bibliography: p. 110. . Source of the electronic copy: PB Publisher П.В. Луковников Collections Schism of the Russian Orthodox Church → History of the Schism and Old Believers → Old Believers in 17th Century