Columbia subject headings:
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation.
Spanish drama--Classical period, 1500-1700--History and criticism.
Theater--Spain--History--17th century.
Harvard subject headings:
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation.
Spanish drama--17th century--History and criticism.
Theater--Spain--History--17th century.
Princeton subject headings:
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation.