Columbia subject headings:
Ezhov, Nikolaĭ Ivanovich, 1895-1940.
Political purges--Soviet Union--History.
Soviet Union--Politics and government--1936-1953.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--Officials and employees--Biography.
Harvard subject headings:
Ezhov, Nikolaĭ Ivanovich, 1895-1940.
Soviet Union--History--1925-1953.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--Officials and employees--Biography.
Princeton subject headings: