Columbia subject headings:
Russia--History--1801-1917.
Russian literature--History and criticism.
Soviet Union--Intellectual life.
Harvard subject headings:
Russia--Politics and government--1825-1855.
Russia--Social life and customs--1533-1917.
Soviet Union--Biography.
Princeton subject headings:
Russia--Biography.
Russia--Politics and government--1825-1855.
Russia--Social life and customs--1533-1917.