Columbia subject headings:
Authors, German--20th century--Correspondence.
Critics--Germany--Correspondence.
Reich-Ranicki, Marcel--Correspondence.
Rühmkorf, Peter--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Critics--Germany--Correspondence.
Reich-Ranicki, Marcel--Correspondence.
Rühmkorf, Peter--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Critics--Germany--Correspondence.
Reich-Ranicki, Marcel--Correspondence.
Rühmkorf, Peter--Correspondence.