. . . . . . . "1915" . "Nikolay Yakovlevich Sonin" . . . . . . . . . . . . "1915-02-27" . "Nikolay Yakovlevich Sonin" . . . . . . . . . . . . . . "1849" . . . . . . "1849-02-22" . . . . . . . . . . . . . . . . .