Author Коваленский Михаил Николаевич Description Kovalensky, Mikhail Nikolayevich (1874-1923). ... Troubled Time: Three hundred years ago. 1611-1911 / [Com.] M. Kovalensky; Moscow. Literacy. - Moscow: type. P.P. Ryabushinsky, 1911. -60, [1] p. ; 18. - . Source of the electronic copy: PB Publisher тип. П.П. Рябушинского