Columbia subject headings:
Authors, German--20th century--Correspondence.
Kolmar, Gertrud, 1894-1943?--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Kolmar, Gertrud, 1894-1943?--Correspondence.
Poets, German--20th century--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Kolmar, Gertrud, 1894-1943? Correspondence.
Women authors, German--20th century--Correspondence.