Columbia subject headings:
Historians--Soviet Union--Biography.
Soviet Union--History.
Zolʹnikov, D. M.
Harvard subject headings:
Historians--Russia (Federation)--Biography
Historians--Soviet Union--Biography
Russia (Federation)--History--Biography.
Russia (Federation)--History.
Soviet Union--History.
Zolʹnikov, D. M.
Princeton subject headings:
Historians--Soviet Union--Biography.
Soviet Union--History.
Zolʹnikov, D. M.