Columbia subject headings:
Harvard subject headings:
Bachmann, Ingeborg, 1926-1973--Criticism and interpretation.
Höllerer, Walter, 1922-2003.
Princeton subject headings:
Bachmann, Ingeborg, 1926-1973--Correspondence.
Bachmann, Ingeborg, 1926-1973--Criticism and interpretation.
Höllerer, Walter, 1922-2003--Correspondence.