Columbia subject headings:
Civil rights--Soviet Union.
Dissenters--Soviet Union.
Psychiatric hospitals--Soviet Union.
Harvard subject headings:
Civil rights--Soviet Union
Dissenters--Soviet Union
Human rights--Soviet Union
Psychiatric hospitals--Soviet Union
Princeton subject headings:
Civil rights--Soviet Union.
Grigorenko, P. G. (Petr Grigorʹevich), 1907-1987.
Political prisoners--Soviet Union--Biography.
Psychiatric hospitals--Soviet Union.