Columbia subject headings:
Authors, German--20th century--Correspondence.
Höpfner, Niels, 1943---Correspondence.
Zschokke, Matthias, 1954---Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Höpfner, Niels, 1943---Correspondence.
Zschokke, Matthias, 1954---Correspondence.
Princeton subject headings:
Authors, German--Correspondence.
Authors, Swiss--Correspondence.
Fiction.
Höpfner, Niels, 1943-
Zschokke, Matthias, 1954---Correspondence.