Columbia subject headings:
Bukharin, Nikolaĭ, 1888-1938.
Trials (Treason)--Soviet Union.
Harvard subject headings:
Bukharin, Nikolaĭ, 1888-1938.
Bukharin, Nikolaĭ, 1888-1938.
Princeton subject headings:
Bukharin, Nikolaĭ, 1888-1938.