Columbia subject headings:
German drama--19th century--Appreciation--Sources--Congresses.
German drama--20th century--Appreciation--Sources--Congresses.
Theater audiences--Germany--History--19th century--Sources--Congresses.
Theater audiences--Germany--History--20th century--Sources--Congresses.
Theater--Germany--History--19th century--Sources--Congresses.
Theater--Germany--History--20th century--Sources--Congresses.
Harvard subject headings:
German drama--19th century--Appreciation--Sources--Congresses.
German drama--20th century--Appreciation--Sources--Congresses.
Theater audiences--Germany--History--19th century--Sources--Congresses.
Theater audiences--Germany--History--20th century--Sources--Congresses.
Theater--Germany--History--19th century--Sources--Congresses.
Theater--Germany--History--20th century--Sources--Congresses.
Princeton subject headings:
German drama--19th century--Appreciation--Sources--Congresses.
German drama--20th century--Appreciation--Sources--Congresses.
Theater audiences--Germany--History--19th century--Sources--Congresses.
Theater audiences--Germany--History--20th century--Sources--Congresses.
Theater--Germany--History--19th century--Sources--Congresses.
Theater--Germany--History--20th century--Sources--Congresses.