Columbia subject headings:
Malaya--Social conditions--Congresses.
Singapore--Social conditions--Congresses.
Harvard subject headings:
Immigrants--Malaysia.
Immigrants--Singapore.
Malaya--Social conditions--Congresses.
Malaysia--Social conditions.
Singapore--Social conditions
Singapore--Social conditions--Congresses.
Princeton subject headings:
Malaya--Social conditions--Congresses.
Singapore--Social conditions--Congresses.