Columbia subject headings:
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation--Congresses.
Spanish drama--Classical period, 1500-1700--History and criticism--Congresses.
Harvard subject headings:
Calderón de la Barca, Pedro, 1600-1681--Appreciation--Germany--Congresses.
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation--Congresses.
Princeton subject headings:
Calderón de la Barca, Pedro, 1600-1681--Criticism and interpretation--Congresses.
Spanish drama--Classical period, 1500-1700--History and criticism--Congresses.