. . "1900 - 1999" . . . . . . . . . . "Correspondence : Ingeborg Bachmann and Paul Celan : with the correspondences between Paul Celan and Max Frisch and between Ingeborg Bachmann and Gisèle Celan-Lestrange" . . . "Briefsammlung 1948-1967" . . . . . . . . "Briefsammlung" . . . . "Records and correspondence"@en . "Records and correspondence" . . . "Correspondence : Ingeborg Bachmann and Paul Celan. With the correspondences between Paul Celan and Max Frisch and between Ingeborg Bachmann and Gisèle Celan-Lestrange" . . . . . "Briefsammlung 1948-1961" . . . "Correspondence" . "Correspondence"@en . . . "Briefsammlung 1954-1969" . .