Columbia subject headings:
Communists--Soviet Union--Biography.
Revolutionaries--Soviet Union--Biography.
Rykov, A. I. (Alekseĭ Ivanovich), 1881-1938.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Rykov, A. I. (Alekseĭ Ivanovich), 1881-1938.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.
Princeton subject headings:
Communists--Soviet Union--Biography.
Revolutionaries--Soviet Union--Biography.
Rykov, A. I. (Alekseĭ Ivanovich), 1881-1938.
Soviet Union--Politics and government--1917-1936.