Columbia subject headings:
Agriculture--Economic aspects--China.
Farmers--China--Economic conditions.
Farmers--China--Social life and customs.
Farmers--Political activity--China.
Peasants--Political activity--China.
Harvard subject headings:
Agriculture--Economic aspects--China
Farmers--China--Economic conditions
Farmers--China--Political activity.
Farmers--China--Social life and customs.
Peasants--China--Political activity.
Princeton subject headings: