Columbia subject headings:
Internment camps--Soviet Union--History.
Maksimovich, Matveĭ.
Nazi concentration camps--Soviet Union--History.
Political prisoners--Soviet Union--Biography.
Prisons--Soviet Union--History.
Harvard subject headings:
Forced labor--Soviet Union
Maksimovich, M. V. (Matveĭ Vasilʹevich)
Political prisoners--Soviet Union--Biography
Political prisoners--Soviet Union.
Princeton subject headings:
Internment camps--Soviet Union--History.
Maksimovich, Matveĭ.
Political prisoners--Soviet Union--Biography.
Prisons--Soviet Union--History.