Columbia subject headings:
Germany. Luftwaffe. Jagdgeschwader 7--History.
Messerschmitt 262 (Jet fighter plane)
World War, 1939-1945--Aerial operations, German.
Harvard subject headings:
Germany. Luftwaffe. Jagdgeschwader 7.--History.
Messerschmitt 262 (Jet fighter plane)
World War, 1939-1945--Aerial operations, German.
Princeton subject headings:
Germany. Luftwaffe. Jagdgeschwader 7--History.
World War, 1939-1945--Aerial operations, German.