Columbia subject headings:
Excavations (Archaeology)--China--Henan Sheng.
Henan Sheng (China)--Antiquities.
Silk Road--Antiquities.
Harvard subject headings:
Antiquities
China--hitory--Commerce.
China--hitory--Travel--culture exhange.
Princeton subject headings:
Antiquities.
China--hitory--Commerce.
China--hitory--Travel--culture exhange.