Columbia subject headings:
Labor movement--Economic aspects--Malaysia--Malaya.
Labor movement--Political aspects--Malaysia--Malaya.
Labor unions--Malaysia--Malaya--History.
Labor--Malaysia--Malaya--History.
Harvard subject headings:
Industrial relations--Malaysia--Malaya--History--20th century.
Labor movement--Malaysia--Malaya--History--20th century.
Labor policy--Malaysia--Malaya--History--20th century.
Princeton subject headings: