Columbia subject headings:
Historians--Soviet Union--Biography.
Solovʹev, S. M. (Sergeĭ Mikhaĭlovich), 1820-1879.
Harvard subject headings:
Historians--Soviet Union--Biography
Solovʹev, S. M. (Sergeĭ Mikhaĭlovich), 1820-1879
Solovʹev, S. M. (Sergeĭ Mikhaĭlovich), 1820-1879.
Princeton subject headings: