Columbia subject headings:
Harvard subject headings:
Beijing (China)--Economic conditions--Periodicals.
Beijing (China)--Social conditions--Periodicals.
Beijing (China)--Statistics--Periodicals.
Princeton subject headings:
Beijing (China)--Economic conditions--Periodicals.
Beijing (China)--Social conditions--Periodicals.
Beijing (China)--Statistics--Periodicals.
Periodicals.
Statistics.