Columbia subject headings:
Agriculture--Economic aspects--China--Henan Sheng--History.
Henan Sheng (China)--Economic conditions--20th century.
Henan Sheng (China)--Economic policy--20th century.
Industries--China--Henan Sheng--History.
Harvard subject headings:
Agriculture--Economic aspects--China--Henan Sheng--History.
Henan Sheng (China)--Economic conditions--20th century.
Henan Sheng (China)--Economic policy--20th century.
Industries--China--Henan Sheng--History.
Princeton subject headings: