Columbia subject headings:
Dora (Concentration camp)
Rocketry--Germany--History.
V-1 bomb.
V-2 rocket.
World War, 1939-1945--Prisoners and prisons, German.
Harvard subject headings:
Dora (Concentration camp)
Rocketry--Germany--History.
V-1 bomb.
V-2 rocket.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Dora (Concentration camp)
Rocketry--Germany--History.
V-1 bomb.
V-2 rocket.
World War, 1939-1945--Prisoners and prisons, German.