Columbia subject headings:
Harvard subject headings:
Concentration camp inmates--Germany--Death.
Dora (Concentration camp)--History.
Forced labor--Germany--Social conditions.
Nazi concentration camps--Germany--History
Prisoners of war--Germany--History--20th century
Weapons industry--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German
Princeton subject headings:
Dora (Concentration camp)
Forced labor--Germany--Harz Mountains.
Nazi concentration camps--Germany.
Weapons industry--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German.