Columbia subject headings:
Harvard subject headings:
Christian drama--Congresses.
Christian drama--Europe--Congresses.
Drama, Medieval--Congresses.
Theater--Europe--History--Medieval, 500-1500--Congresses.
Princeton subject headings:
Christian drama--Europe--Presentations, etc.--Congresses.
Mysteries and miracle-plays--Congresses.
Theater--Europe--History--16th century--Congresses.
Theater--Europe--History--Medieval, 500-1500--Congresses.