Columbia subject headings:
Amusements--Germany--History--Sources.
Amusements--Germany--History.
Theater--Germany--History--Sources.
Theater--Germany--History.
Harvard subject headings:
Amusements--Germany--History--Sources.
Amusements--Germany--History.
Entertainment events--Germany--History--Sources.
Entertainment events--Germany--History.
Performing arts--Germany--History--Sources.
Performing arts--Germany--History.
Theater--Germany--History--Sources.
Theater--Germany--History.
Princeton subject headings:
Entertainment events--Germany--History--Sources.
Entertainment events--Germany--History.
Performing arts--Germany--History--Sources.
Performing arts--Germany--History.