Columbia subject headings:
Harvard subject headings:
Paleolithic period--Japan--Tōhoku Region.
Stone implements--Japan--Tōhoku Region.
Tōhoku Region (Japan)--Antiquities.
Princeton subject headings:
Paleolithic period--Japan--Tōhoku Region.
Stone implements--Japan--Tōhoku Region.
Tōhoku Region (Japan)--Antiquities.