Columbia subject headings:
Coffeehouses--History.
Hotels--Argentina--Buenos Aires--History.
Harvard subject headings:
Buenos Aires (Argentina)--Hotels, taverns, etc.--History.
Coffeehouses--History.
Taverns (Inns)--Argentina--Buenos Aires--History.
Princeton subject headings:
Buenos Aires (Argentina)--Hotels, taverns, etc.--History.
Coffeehouses--History.