1793-1826 1795-1843 1798-1859 1799-1837 1805-1863 19thcentury aleksandrsergeevich authors authorsasartists biography correspondence correspondencepushchin exiles fiction friendsandassociatespushkin history illustrations ivanivanovich marii︠a︡nikolaevna muravʹev nikita pavelivanovich pestelʹ politicsandgovernment portraits pushchin pushkin russia(federation) russian siberia volkonskai︠a︡