Columbia subject headings:
Intellectuals--Political activity--Soviet Union--History--19th century.
Local officials and employees--Political activity--Soviet Union--History--19th century.
Physicians--Political activity--Soviet Union--History--19th century.
Teachers--Political activity--Soviet Union--History--19th century.
Harvard subject headings:
Intellectuals--Soviet Union--Political activity--History--19th century.
Local officials and employees--Soviet Union--Political activity--History--19th century.
Physicians--Soviet Union--Political activity--History--19th century.
Teachers--Soviet Union--Political activity--History--19th century.
Princeton subject headings:
Intellectuals--Russia--History.
Russia--Intellectual life.
Russia--Social conditions--1801-1917.
Zemstvos.