Columbia subject headings:
Spanish drama--History and criticism.
Theater--Latin America--History.
Theater--Spain--History.
Harvard subject headings:
Creation (Literary, artistic, etc.)--History--Congresses.
Crises--History--Congresses.
Spanish drama--History and criticism--Congresses.
Theater--Latin America--History--Congresses.
Theater--Spain--History--Congresses.
Princeton subject headings:
Spanish drama--History and criticism.
Theater--Latin America--History.
Theater--Spain--History.