Columbia subject headings:
Harvard subject headings:
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History--20th century.
World War, 1939-1945--Japan--Okinawa-ken.
Princeton subject headings:
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History--20th century.
World War, 1939-1945--Japan.