Columbia subject headings:
Harvard subject headings:
German literature--20th century--Bibliography
German literature--20th century--Bio-bibliography
German literature--Foreign countries--Bibliography.
German literature--Foreign countries--Bio-bibliography.
Princeton subject headings:
Berthold, Werner, 1921-
Deutsche Bibliothek (Frankfurt am Main, Germany)--Exhibitions.
Exiles' writings--Exhibitions.
German literature--20th century--Exhibitions.
German literature--Foreign countries--Exhibitions.