Columbia subject headings:
Harvard subject headings:
Authors, Exiled--20th century.
Authors, German--20th century.
Authors, German--Foreign countries.
German literature--Foreign countries
German literature--Foreign countries--History and criticism
PEN-Zentrum Deutschsprachiger Autoren im Ausland--History.
PEN-Zentrum Deutschsprachiger Autoren im Ausland.
Princeton subject headings:
Authors, German--20th century.
Authors, German--Foreign countries.
German literature--Foreign countries.
PEN-Zentrum Deutschsprachiger Autoren im Ausland.