Columbia subject headings:
Cánovas Vacas, Elena, 1955---Criticism and interpretation.
Prison theater--Spain--Madrid.
Teatro Yeses.
Harvard subject headings:
Cánovas Vacas, Elena, 1955-
Cánovas Vacas, Elena, 1955---Criticism and interpretation.
Prison theater--Spain--Alcalá de Henares--History.
Prison theater--Spain--Madrid.
Teatro Yeses.
Princeton subject headings: