Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Aerial operations
World War, 1939-1945--Personal narratives, American.
World War, 1939-1945--Personal narratives, English.
Princeton subject headings:
World War, 1939-1945--Aerial operations.
World War, 1939-1945--Personal narratives, American.
World War, 1939-1945--Personal narratives, British.