Columbia subject headings:
Harvard subject headings:
Agricultural administration--China--History.
Agriculture--China--History
Huang, Fuchen, 1798-1866. Ying tian ji yao.
Land use, Rural--China--History.
Princeton subject headings:
Agricultural administration--China--History.
Agriculture--China--History.
Huang, Fuchen, 1798-1866. Ying tian ji yao.
Land use, Rural--China--History.