Columbia subject headings:
Harvard subject headings:
Artists--France--Correspondence.
Celan, Paul--Correspondence.
Celan-Lestrange, Gisèle--Correspondence.
Poets, German--20th century--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Celan, Eric--Correspondence.
Celan, Paul--Correspondence.
Celan-Lestrange, Gisèle--Correspondence.