Columbia subject headings:
Drama in education--Germany--Congresses.
Theater--Research--Germany--Congresses.
Theater--Study and teaching (Higher)--Germany--Congresses.
Harvard subject headings:
Amateur theater--Germany--Congresses.
College and school drama--Congresses.
Drama in education--Germany--Congresses.
Theater--Study and teaching--Germany--Congresses.
Princeton subject headings:
Drama in education--Germany--Congresses.
Theater--Research--Germany--Congresses.
Theater--Study and teaching (Higher)--Germany--Congresses.