Columbia subject headings:
Harvard subject headings:
Hokkaido (Japan)--Antiquities.
Jōmon culture--Japan--Hokkaido.
Kitchen-middens--Japan--Ryukyu Islands.
Ryukyu Islands--Antiquities.
Princeton subject headings:
Hokkaido (Japan)--Antiquities.
Jōmon culture--Japan--Hokkaido.
Kitchen-middens--Japan--Ryukyu Islands.
Ryukyu Islands--Antiquities.