Columbia subject headings:
Nanjing Shi (China)--Guidebooks.
Nanjing Shi (China)--History.
Harvard subject headings:
Nanjing (Jiangsu Sheng, China)--Guidebooks.
Nanjing (Jiangsu Sheng, China)--History.
Princeton subject headings:
Nanjing (Jiangsu Sheng, China)--History.