Columbia subject headings:
Harvard subject headings:
Bukharin, Nikolaĭ, 1888-1938.
Communism--Soviet Union
Soviet Union--Economic policy--1917-1928.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Bukharin, Nikolaĭ, 1888-1938.
Statesmen--Soviet Union--Biography.