Columbia subject headings:
Authors, German--20th century--Correspondence.
German literature--20th century--Political aspects.
National socialism and literature.
Harvard subject headings:
Authors, German--20th century--Correspondence
German literature--20th century--Political aspects.
National socialism and literature.
Princeton subject headings:
Authors, German--20th century--Correspondence.
German literature--20th century--Political aspects.
National socialism and literature.