Columbia subject headings:
Harvard subject headings:
Airplanes, Military--Greece--History--20th century.
Greece--History, Naval--20th century.
Greece--History--1917-1944--Sources.
Greece--History--Constantine I, 1913-1917--Sources.
Greece. Aeroporia--History--20th century.
Greece. Nautikon--Aviation--History--20th century--Pictorial works.
Greece. Nautikon--Aviation--History--20th century.
Princeton subject headings:
Air pilots--Greece--Pictorial works.
Airplanes, Military--Greece--History--20th century--Pictorial works.
Greece--History--1917-1944.
Greece--History--Constantine I, 1913-1917.
Greece. Nautikē Aeroporeia--History--20th century--Pictorial works.