Columbia subject headings:
Harvard subject headings:
Songze Cun (China)--Antiquities.
Stone age--China--Songze Cun.
Princeton subject headings:
China--Antiquities.
Excavations (Archaeology)--China--Qingpu Xian.
Pottery, Chinese--To 221 B.C.
Qingpu Xian (China)--Antiquities.
Songze Site (China)
Stone age--China--Qingpu Xian.