Columbia subject headings:
Harvard subject headings:
Agricultural systems--China--Yunnan.
Ethnology--China--Yunnan.
Shifting cultivation--China--Yunnan.
Sociology, Rural--China--Yunnan.
Princeton subject headings:
Agricultural systems--China--Yunnan Sheng.
Shifting cultivation--China--Yunnan Sheng.
Sociology, Rural--China--Yunnan Sheng.