Columbia subject headings:
Harvard subject headings:
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Social movements in literature.
Social problems in literature.
Princeton subject headings:
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Literature and society.
Modernism (Aesthetics)
Naturopathy--Germany--History--19th century.
Nudism--Germany--History--19th century.
Social movements in literature.
Social movements--Germany--History--19th century.