Columbia subject headings:
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History--20th century.
Okinawa-ken (Japan)--History--21st century.
Okinawa-ken (Japan)--Social conditions--20th century.
Okinawa-ken (Japan)--Social conditions--21st century.
Harvard subject headings:
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History.
Okinawa-ken (Japan)--Social conditions.
Princeton subject headings:
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History--20th century.
Okinawa-ken (Japan)--History--21st century.
Okinawa-ken (Japan)--Social conditions.