Columbia subject headings:
Buenos Aires (Argentina)--Economic conditions.
Buenos Aires (Argentina)--History.
Buenos Aires (Argentina)--Social conditions.
Harvard subject headings:
Buenos Aires (Argentina)--Economic conditions.
Buenos Aires (Argentina)--History.
Buenos Aires (Argentina)--Social conditions.
Princeton subject headings:
Buenos Aires (Argentina)--Economic conditions.
Buenos Aires (Argentina)--History.
Buenos Aires (Argentina)--Social conditions.