Columbia subject headings:
Authors, German--20th century--Correspondence.
Banholzer, Paula, 1901---Correspondence.
Brecht, Bertolt, 1898-1956--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Banholzer, Paula, 1901---Correspondence.
Brecht, Bertolt, 1898-1956--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Banholzer, Paula, 1901---Correspondence.
Brecht, Bertolt, 1898-1956--Correspondence.