Columbia subject headings:
Harvard subject headings:
East Asia--Social conditions--History--Congresses.
Occupations--East Asia--Sociological aspects--Congresses.
Social classes--East Asia--History--Congresses.
Sociology, Urban--East Asia--Congresses.
Princeton subject headings:
East Asia--Social conditions--History--Congresses.
Occupations--East Asia--Sociological aspects--Congresses.
Social classes--East Asia--History--Congresses.
Sociology, Urban--East Asia--Congresses.