Columbia subject headings:
Intellectuals--Soviet Union.
Professions--Soviet Union.
Soviet Union--Economic policy--1917-1928.
Soviet Union--Economic policy--1928-1932.
Technologists--Soviet Union.
Harvard subject headings:
Intellectuals--Soviet Union.
Professions--Soviet Union.
Soviet Union--Economic policy--1917-1928.
Soviet Union--Economic policy--1928-1932.
Technologists--Soviet Union.
Princeton subject headings: