Columbia subject headings:
Germany. Luftwaffe. Jagdgeschwader 51--History.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Regimental histories--Germany.
Harvard subject headings:
Germany. Luftwaffe. Jagdgeschwader 51.--History.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Regimental histories--Germany.
Princeton subject headings:
Germany. Luftwaffe. Jagdgeschwader 51
World War, 1939-1945--Aerial operations, German.