1717-1777 1766-1826 18thcentury aleksandrpetrovich biography criticismandinterpretationkaramzin criticismandinterpretationsumarokov criticismandinterpretationtrediakovskiĭ history historyandcriticism jansenists nikolaĭmikhaĭlovich philology reform russia russia(federation) russianlanguage russianliterature standardization