Columbia subject headings:
Harvard subject headings:
Kinship--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History.
Okinawa-ken (Japan)--Social life and customs.
Princeton subject headings:
Families--Japan--Okinawa-ken.
Kinship--Japan--Okinawa-ken.
Okinawa-ken (Japan)--Social life and customs.