Columbia subject headings:
Harvard subject headings:
China--Emigration and immigration--Congresses.
Chinese diaspora--Congresses.
Chinese--Europe--Congresses.
Europe--Emigration and immigration--Congresses
Immigrants--Europe--Congresses.
Princeton subject headings:
China--Emigration and immigration.
Chinese diaspora.
Chinese--Europe.
Europe--Emigration and immigration.
Immigrants--Europe.