Columbia subject headings:
Drama--Political aspects.
Drama--Social aspects.
Popular culture--Argentina.
Popular culture--Brazil.
Theater--Argentina--History--20th century.
Theater--Brazil--History--20th century.
Harvard subject headings:
Drama--Political aspects.
Drama--Social aspects
Popular culture--Argentina
Popular culture--Brazil
Theater--Argentina--History--20th century.
Theater--Brazil--History--20th century.
Princeton subject headings:
Street theater--Argentina--History--20th century.
Street theater--Brazil--History--20th century.