Columbia subject headings:
Germany. Geheime Staatspolizei.
Nazi concentration camps--Germany.
Political atrocities--Germany--History--20th century.
World War, 1939-1945--Germany.
Harvard subject headings:
Anti-Nazi movement--Germany
Germany. Geheime Staatspolizei--History.
Nazi concentration camps--Germany--History
Police--Germany--History--20th century.
Secret service--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German
Princeton subject headings: