Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--Social conditions
Criminals--Germany--Berlin--History--20th century.
Organized crime--Germany--Berlin--History--20th century.
Organized crime--Germany--Berlin--History.
Princeton subject headings:
Berlin (Germany)--Social conditions.
Criminals--Germany--Berlin--History--20th century.
Organized crime--Germany--Berlin--History--20th century.
Organized crime--Germany--Berlin--History.