Columbia subject headings:
Police--Soviet Union--Biography.
Police--Soviet Union--History--20th century.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--Officials and employees--Biography.
Harvard subject headings:
Princeton subject headings:
Police--Soviet Union--Biography.
Police--Soviet Union--History--20th century.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--Officials and employees--Biography.