Columbia subject headings:
Spanish American drama--20th century--History and criticism--Congresses.
Spanish drama--20th century--History and criticism--Congresses.
Theater--Latin America--Congresses.
Theater--Spain--Congresses.
Harvard subject headings:
Latin American drama--History and criticism--Congresses.
Spanish drama--History and criticism--Congresses.
Theater--Congresses.
Princeton subject headings:
Latin American drama--History and criticism--Congresses.
Spanish drama--History and criticism--Congresses.
Theater--Congresses.