Columbia subject headings:
Harvard subject headings:
German drama--18th century--History and criticism
German drama--19th century--History and criticism
Political plays, German--History and criticism.
Theater--Political aspects--Germany--History--18th century.
Theater--Political aspects--Germany--History--19th century.
Time in literature
Princeton subject headings:
Drama.
German drama--18th century--History and criticism.
German drama--19th century--History and criticism.
German literature--Political aspects.
Politics and literature.
Politics in literature.