Columbia subject headings:
Architecture--Argentina--Buenos Aires.
Boca (Buenos Aires, Argentina)--History.
City planning--Argentina--Buenos Aires.
Neighborhood planning--Argentina--Buenos Aires.
Harvard subject headings:
Buenos Aires ( Argentina)--History.
Riachuelo (Buenos Aires, Argentina)--History.
Princeton subject headings:
Buenos Aires (Argentina)--History.
Riachuelo (Buenos Aires, Argentina)--History.