Columbia subject headings:
Great Britain. Royal Air Force.
World War, 1914-1918--Aerial operations.
World War, 1914-1918--Personal narratives, British.
Harvard subject headings:
Baring, Maurice, 1874-1945
Great Britain. Royal Air Force
World War, 1914-1918--Aerial operations
World War, 1914-1918--Personal narratives, English
Princeton subject headings:
Great Britain. Royal Air Force
World War, 1914-1918--Aerial operations.
World War, 1914-1918--Personal narratives, English.