Columbia subject headings:
Bukharin, Nikolaĭ, 1888-1938--Bibliography.
Harvard subject headings:
Bukharin, Nikolaĭ, 1888-1938--Bibliography.
Bukharin, Nikolaĭ, 1888-1938--Correspondence--Bibliography.
Communism--Bibliography
Communism--Soviet Union--Bibliography.
Soviet Union--Politics and government--1917-1936--Bibliography.
Princeton subject headings: