Columbia subject headings:
Harvard subject headings:
Jianxi Qu (Luoyang, Henan Sheng, China)--History.
Luoyang Shi (Henan Sheng, China)--History.
Princeton subject headings:
Jianxi qu (Luoyang, Henan Sheng, China)--History.
Luoyang (Henan Sheng, China)--History.