Columbia subject headings:
Harvard subject headings:
Architecture--Argentina--Buenos Aires--19th century--Guidebooks.
Architecture--Argentina--Buenos Aires--20th century--Guidebooks.
Belgrano (Buenos Aires, Argentina)
Buenos Aires (Argentina)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Belgrano (Buenos Aires, Argentina)--Buildings, structures, etc.
Buenos Aires (Argentina)--Buildings, structures, etc.
Historic buildings--Argentina--Buenos Aires.