Columbia subject headings:
Agricultural laborers--Supply and demand--Asia--Congresses.
Agricultural wages--Asia--Congresses.
Asia--Rural conditions--Congresses.
Harvard subject headings:
Agricultural laborers--Supply and demand--Asia--Congresses.
Agricultural wages--Asia--Congresses.
Asia--Rural conditions--Congresses.
Princeton subject headings:
Agricultural laborers--Asia--Supply and demand--Congresses.
Agricultural wages--Asia--Congresses.
Asia--Rural conditions--Congresses.