Columbia subject headings:
Harvard subject headings:
China--Politics and government--960-1279.
Henan Sheng (China)--Politics and government.
Local officials and employees--China--Henan--Selection and appointment--Chronology.
Princeton subject headings:
China--Politics and government--960-1279.
Kaifeng Diqu (China)--Politics and government.
Local officials and employees--China--Kaifeng Diqu--Selection and appointment--Chronology.