Columbia subject headings:
Harvard subject headings:
German drama--19th century--History and criticism.
German drama--19th century--Themes, motives.
Mental illness in art.
Mental illness in literature.
Mental illness--Social aspects--Germany--History--19th century.
Mentally ill in literature
Psychiatry--Germany--History--19th century.
Psychoanalysis and literature.
Theater--Germany--History--19th century.
Princeton subject headings:
German drama--19th century--History and criticism.
Mental illness in literature.
Mental illness--Social aspects--Germany--History--19th century.
Mentally ill in literature.
Psychoanalysis and literature.