Columbia subject headings:
Wolf, Christa--Correspondence.
Wolff, Charlotte, 1897-1986--Correspondence.
Women authors, German--Correspondence.
Harvard subject headings:
Wolf, Christa--Correspondence.
Wolff, Charlotte, 1897-1986--Correspondence.
Women authors, German--Correspondence.
Princeton subject headings:
Wolf, Christa--Correspondence.
Wolff, Charlotte, 1897-1986--Correspondence.
Women authors, German--20th century--Correspondence.