Columbia subject headings:
Industrial relations--Indonesia--Java--History.
Java (Indonesia)--History.
Labor unions--Indonesia--Java--History.
Sugar workers--Labor unions--Indonesia--Java--History.
Harvard subject headings:
Industrial relations--Indonesia--Java--History.
Java (Indonesia)--History
Labor unions--Indonesia--Java--History.
Sugar workers--Labor unions--Indonesia--Java--History.
Princeton subject headings:
Industrial relations--Indonesia--Java--History.
Java (Indonesia)--History.
Labor unions--Indonesia--Java--History.
Sugar workers--Labor unions--Indonesia--Java--History.