Columbia subject headings:
German drama (Tragedy)--History and criticism.
German drama--19th century--History and criticism.
German drama--20th century--History and criticism.
German drama--History and criticism.
Historical drama, German--History and criticism.
Harvard subject headings:
Authors, German--Political and social views
German drama--19th century--History and criticism.
German drama--20th century--History and criticism.
German drama--History and criticism.
Germany--In literature.
Historical drama, German--History and criticism.
Princeton subject headings:
Historical drama, German--History and criticism.
Politics and literature--Germany.