Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--In literature.
Berlin (Germany)--Intellectual life
German literature--20th century--History and criticism
German literature--20th century--Themes, motives.
Princeton subject headings:
Berlin (Germany)--In literature.
Berlin (Germany)--Intellectual life.
German literature--20th century--History and criticism.
German literature--20th century--Themes, motives.