Columbia subject headings:
Harvard subject headings:
Bodenschatz, Karl, 1890-1979.
Richthofen, Manfred, Freiherr von, 1892-1918
World War, 1914-1918--Aerial operations
Princeton subject headings:
Bodenschatz, Karl, 1890-1979--Diaries.
Diaries.
Fighter pilots--Germany--Diaries.
Richthofen, Manfred, Freiherr von, 1892-1918.
World War, 1914-1918--Aerial operations, German.
World War, 1914-1918--Personal narratives, German.