Columbia subject headings:
Harvard subject headings:
China--Emigration and immigration--Social aspects--Case studies--Congresses.
Emigration and immigration--Social aspects--Congresses
Migrant labor--China--Congresses.
Migration, Internal--China--Congresses.
Social conflict--China--Congresses.
Social conflict--Congresses.
Princeton subject headings:
Case studies.
China--Emigration and immigration--Social aspects--Case studies--Congresses.
Emigration and immigration--Social aspects--Congresses.
Migrant labor--China--Congresses.
Migration, Internal--China--Congresses.
Social conflict--China--Congresses.