Columbia subject headings:
Authors, German.
German literature--20th century--Bio-bibliography.
German literature--20th century--History and criticism.
Harvard subject headings:
Authors, German.
German literature--20th century--Bio-bibliography
German literature--20th century--History and criticism
Princeton subject headings:
Authors, German.
German literature--20th century--Bio-bibliography.
German literature--20th century--History and criticism.