Columbia subject headings:
Japan--History--Allied occupation, 1945-1952.
Ryukyu Islands--History--1945-1972.
Ryukyu Islands--Social conditions--20th century.
Harvard subject headings:
Japan--History--Allied occupation, 1945-1952.
Okinawa-ken (Japan)--History--20th century.
Okinawa-ken (Japan)--Social conditions--20th century.
Princeton subject headings:
Japan--History--Allied occupation, 1945-1952.
Okinawa-ken (Japan)--History--20th century.
Okinawa-ken (Japan)--Social conditions--20th century.