Columbia subject headings:
Music-halls (Variety-theaters, cabarets, etc.)--Spain--Madrid--History--19th century.
Music-halls (Variety-theaters, cabarets, etc.)--Spain--Madrid--History--20th century.
Harvard subject headings:
Coffeehouses--Spain--Madrid--History.
Madrid (Spain)--Social life and customs.
Music-halls (Variety-theaters, cabarets, etc.)--Spain--Madrid--History.
Princeton subject headings: