Columbia subject headings:
China--Economic conditions--1949---Congresses.
Economic development--China--Congresses.
Urban poor--China--Congresses.
Urban-rural migration--China--Congresses.
Working class--China--Congresses.
Harvard subject headings:
China--Economic conditions--1949-
Economic development--China
Urban poor--China.
Urban-rural migration--China.
Princeton subject headings:
China--Economic conditions--1949-
Economic development--China.
Urban poor--China.
Urban-rural migration--China.