Columbia subject headings:
Harvard subject headings:
Hollow bricks--China--Catalogs.
Intaglios--China--History--Qin-Han dynasties, 221 B.C.-220 A.D.--Catalogs.
Relief (Decorative arts)--China--History--Qin-Han dynasties, 221 B.C.-220 A.D.--Catalogs.
Princeton subject headings:
Hollow bricks--China--Catalogs.
Intaglios--China--History--Qin-Han dynasties, 221 B.C.-220 A.D.--Catalogs.
Relief (Decorative arts)--China--History--Qin-Han dynasties, 221 B.C.-220 A.D.--Catalogs.