Columbia subject headings:
Authors, Exiled--Germany--20th century.
Authors, German--Foreign countries.
Exiles' writings, German--History and criticism.
German literature--20th century--History and criticism.
Harvard subject headings:
Authors, Exiled--Germany--20th century.
Authors, Exiled--Germany--History--20th century--Congresses.
Authors, German--Foreign countries--Congresses.
Authors, German--Foreign countries.
Exiles' writings, German--History and criticism--Congresses.
Exiles' writings, German--History and criticism.
German literature--20th century--History and criticism
German literature--20th century--History and criticism--Congresses
Princeton subject headings:
Authors, Exiled--Germany--20th century.
Authors, German--Foreign countries.
Exiles' writings, German--History and criticism.
German literature--20th century--History and criticism.