Columbia subject headings:
Harvard subject headings:
Forced migration--China--Sichuan Sheng.
Migration, Internal--China--Sichuan Sheng.
Princeton subject headings:
Forced migration--China--Sichuan Sheng.
Land settlement--China--Sichuan Sheng.
Migration, Internal--China--Sichuan Sheng.
Sichuan Sheng (China)--Economic conditions.
Water-power--China--Sichuan Sheng.