Columbia subject headings:
Authors, German--20th century--Correspondence.
Brecht, Erika, -1949--Correspondence.
Brecht, Walther, 1876-1950--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Brecht, Erika, -1949--Correspondence.
Brecht, Walther, 1876-1950--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.
Princeton subject headings:
Brecht, Erika, -1949.
Brecht, Walther, 1876-1950--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.