Columbia subject headings:
Faber, Elmar--Correspondence.
Hein, Christoph, 1944---Correspondence.
Personal correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Hein, Christoph, 1944---Correspondence.
Princeton subject headings:
Faber, Elmar--Correspondence.
Hein, Christoph, 1944---Correspondence.
Personal correspondence.