Columbia subject headings:
Harvard subject headings:
China, Southwest--History--Congresses.
Gucheng Qu (Lijiang Shi, China)--History--Congresses.
Naxi (Chinese people)--Congresses.
Tibet Autonomous Region (China)--Commerce--Congresses.
Trade routes--China, Southwest--History--Congresses.
Yunnan Sheng (China)--Commerce--Congresses.
Princeton subject headings:
China, Southwest--Commerce--History--Congresses.
China, Southwest--History--Congresses.
Lijiang Diqu (China)--History--Congresses.
Trade routes--China, Southwest--Congresses.