Columbia subject headings:
Carr, Edward Hallett, 1892-1982.
Russia--History--1801-1917.
Soviet Union--History.
Harvard subject headings:
Carr, Edward Hallett, 1892-1982
Russia--History--1801-1917.
Russia--History.
Soviet Union--History.
Princeton subject headings:
Carr, Edward Hallett, 1892-1982.
Russia--History--1801-1917.
Russia--History.