Columbia subject headings:
Great Britain. Army. British Expeditionary Force.
Great Britain. Royal Flying Corps--History.
Great Britain. Royal Naval Air Service--History.
World War, 1914-1918--Aerial operations, British.
World War, 1914-1918--Campaigns--Western Front.
World War, 1914-1918--Naval operations, British.
Harvard subject headings:
Great Britain. Army. British Expeditionary Force.
Great Britain. Royal Flying Corps--History.
Great Britain. Royal Naval Air Service--History.
World War, 1914-1918--Aerial operations, British
World War, 1914-1918--Campaigns--Western Front
World War, 1914-1918--Naval operations, British
Princeton subject headings:
Great Britain. Army. British Expeditionary Force
Great Britain. Royal Flying Corps--History.
Great Britain. Royal Naval Air Service--History.
World War, 1914-1918--Aerial operations, British.
World War, 1914-1918--Campaigns--Western Front.
World War, 1914-1918--Naval operations, British.