Columbia subject headings:
Historians--Soviet Union.
Intellectuals--Soviet Union.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--Purges.
Soviet Union--Historiography.
Soviet Union--Politics and government--1936-1953.
Harvard subject headings:
Historians--Soviet Union--Biography
Political persecution--Soviet Union.
Soviet Union--Historiography.
Soviet Union--History--1925-1953.
Princeton subject headings: