Columbia subject headings:
Harvard subject headings:
Communists--Germany--Berlin--History--20th century.
Crime--Germany--Berlin--History--20th century.
Criminal investigation--Germany--Berlin--History--20th century.
Criminals--Germany--Berlin--History--20th century.
Nazis--Germany--Berlin--20th century.
Princeton subject headings:
Communists--Germany--Berlin--History--20th century.
Crime--Germany--Berlin--History--20th century.
Criminal investigation--Germany--Berlin--History--20th century.
Criminals--Germany--Berlin--History--20th century.
Nazis--Germany--Berlin--20th century.