Columbia subject headings:
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--Purges.
Soviet Union--Biography.
Soviet Union--Politics and government--1936-1953.
Terrorism--Soviet Union.
Harvard subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Purges.
Soviet Union--Biography
Soviet Union--Politics and government--1936-1953
Terrorism--Soviet Union
Princeton subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Purges.
Soviet Union--Biography.
Soviet Union--Politics and government--1936-1953.
Terrorism--Soviet Union.