Columbia subject headings:
Harvard subject headings:
Farm tenancy--China--Hebei Sheng--History.
Farm tenancy--China--Shandong Sheng--History.
Hebei Sheng (China)--Economic conditions.
Shandong Sheng (China)--Economic conditions.
Princeton subject headings:
Farm tenancy--China--Hopeh Province--History.
Farm tenancy--China--Shantung Province--History.
Hebei Sheng (China)--Economic conditions.
Shandong Sheng (China)--Economic conditions.