Columbia subject headings:
Harvard subject headings:
Ebensee (Concentration camp)
Gedenkstätte Konzentrationslager Mauthausen
Germany. Heer. Heeresversuchstelle Peenemünde.
Rocketry--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German.
World War, 1939-1945--Technology.
Princeton subject headings:
Ebensee (Concentration camp)
Gedenkstätte Konzentrationslager Mauthausen.
Germany. Heer. Heeresversuchstelle Peenemünde
Rocketry--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German.
World War, 1939-1945--Technology.