Columbia subject headings:
Harvard subject headings:
Forced labor--Germany--Lüdenscheid--History--20th century.
Foreign workers--Germany--History--20th century.
Russians--Germany--Lüdenscheid--Social conditions--20th century.
Slave labor--Germany--History--20th century.
War crimes--Germany--History--20th century.
Workers' compensation--Germany--Lüdenscheid--History--20th century.
World War, 1939-1945--Conscript labor--Germany--Lüdenscheid.
Princeton subject headings:
Forced labor--Germany--Lüdenscheid--History--20th century.
Foreign workers--Germany--Lüdenscheid--History--20th century.
Russians--Germany--Lüdenscheid--Social conditions--20th century.
Slave labor--Germany--History--20th century.
War crimes--Germany--History--20th century.