Columbia subject headings:
Authors, German--20th century--Correspondence.
Joseph, Albrecht, 1901-1991--Correspondence.
Zuckmayer, Carl, 1896-1977--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Joseph, Albrecht, 1901-1991--Correspondence.
Zuckmayer, Carl, 1896-1977--Correspondence.
Princeton subject headings: