Columbia subject headings:
Harvard subject headings:
Nanjing (Jiangsu Sheng, China)--Commerce--Directories.
Nanjing (Jiangsu Sheng, China)--Industries--Directories.
Nanjing (Jiangsu Sheng, China)--Manufactures--Directories.
Princeton subject headings:
Nanjing (China)--Manufactures--Directories.
Nanjing (Jiangsu Sheng, China)--Commerce--Directories.
Nanjing (Jiangsu Sheng, China)--Industries--Directories.