Columbia subject headings:
Existentialism in literature.
German drama--History and criticism.
Other (Philosophy) in literature.
Theater--Germany--History.
Harvard subject headings:
Existentialism in literature.
German drama--History and criticism.
Other (Philosophy) in literature.
Theater--Germany--History.
Princeton subject headings:
Existentialism in literature.
German drama--History and criticism.
Other (Philosophy) in literature.
Theater--Germany--History.