Columbia subject headings:
Aircraft carriers--History.
Naval aviation--History--20th century.
Seaplanes--History.
World War, 1914-1918--Aerial operations.
World War, 1914-1918--Naval operations.
Harvard subject headings:
Aircraft carriers--History
Naval aviation--History.
Seaplanes--History.
World War, 1914-1918--Aerial operations
World War, 1914-1918--Naval operations
Princeton subject headings:
Aircraft carriers--History.
Naval aviation--History--20th century.
Seaplanes--History.
World War, 1914-1918--Aerial operations.
World War, 1914-1918--Naval operations.