Columbia subject headings:
Internment camps--Soviet Union.
Nazi concentration camps--Soviet Union.
Political persecution--Soviet Union.
Political prisoners--Soviet Union--Biography.
Soviet Union--History--1925-1953.
Soviet Union--History--1953-1985.
Harvard subject headings:
Internment camps--Soviet Union
Political persecution--Soviet Union
Political prisoners--Soviet Union--Biography
Soviet Union--History--1925-1953
Soviet Union--History--1953-1985
Princeton subject headings:
Internment camps--Soviet Union.
Political persecution--Soviet Union.
Political prisoners--Soviet Union--Biography.
Soviet Union--History--1925-1953.
Soviet Union--History--1953-1985.