Columbia subject headings:
Harvard subject headings:
Science--China--Fujian Sheng--Information services--Directories.
Science--China--Jiangsu Sheng--Information services--Directories.
Science--China--Shandong Sheng--Information services--Directories.
Technology--China--Fujian Sheng--Information services--Directories.
Technology--China--Jiangsu Sheng--Information services--Directories.
Technology--China--Shandong Sheng--Information services--Directories.
Princeton subject headings:
Directories.
Information services--China--Directories.
Science--Information services--Directories.
Technology--Information services--Directories.