Columbia subject headings:
Dissenters--Soviet Union--History--20th century.
International agencies--History--20th century.
Political prisoners--Soviet Union.
Harvard subject headings:
Dissenters--Soviet Union
Human rights workers--Great Britain--Biography.
Human rights--Soviet Union
Psychiatry--Political aspects--Soviet Union.
Wynn, Allan.
Princeton subject headings:
Civil rights--Soviet Union.
Dissenters--Soviet Union--History--20th century.
International agencies--History--20th century.
Political prisoners--Soviet Union.