Columbia subject headings:
Harvard subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.--Dictionaries--Chinese.
Xi'an (Shaanxi Sheng, China)--Dictionaries--Chinese.
Princeton subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
Dictionaries.
Xi'an (Shaanxi Sheng, China)--Dictionaries--Chinese.