Columbia subject headings:
Harvard subject headings:
China--Historical geography
China--History--Northern and Southern dynasties, 386-589
Datong Xian (Shanxi Sheng, China)--Historical geography.
Princeton subject headings:
China--Historical geography.
China--History--Southern and northern dynasties, 317-589.
Datong Xian (Shanxi Sheng, China)--Historical geography.