Columbia subject headings:
Harvard subject headings:
Germany--Armed Forces--Weapons systems--History--20th century.
Military research--Germany--History--20th century.
Military weapons--Research--Germany--History--20th century.
National socialism and science.
Schumann, Erich.
World War, 1939-1945--Germany--Equipment and supplies.
Princeton subject headings:
Germany. Heer. Abteilung Forschung des Heereswaffenamtes--History.
World War, 1939-1945--Science.