Columbia subject headings:
Harvard subject headings:
Fighter planes--History--1914-1918.
Fighter planes--History--20th century.
World War, 1914-1918--Aerial operations
World War, 1914-1918--Aerial operations--Pictorial works.
Princeton subject headings:
Fighter planes--History--1914-1918.
World War, 1914-1918--Aerial operations--Pictorial works.
World War, 1914-1918--Aerial operations.