Columbia subject headings:
Actors--Germany.
Theater--Germany--History--20th century.
Theater--Production and direction--Germany--History--20th century.
Harvard subject headings:
Actors--Germany--History--20th century.
Actors--Germany.
Actors--History--20th century.
Theater--Germany--History--20th century.
Theater--History--20th century.
Theater--Production and direction--Germany--History--20th century.
Theater--Production and direction--History--20th century.
Princeton subject headings:
Actors--Germany--History--20th century.
Actors--History--20th century.
Theater--Germany--History--20th century.
Theater--History--20th century.
Theater--Production and direction--Germany--History--20th century.
Theater--Production and direction--History--20th century.