Columbia subject headings:
Harvard subject headings:
Ausländer, Rose, 1901-1988--Correspondence.
Ratjen, Ursula, 1917-1988--Correspondence.
Ratjen, Wolfgang--Correspondence.
Women authors, German--Correspondence.
Princeton subject headings:
Ausländer, Rose, 1901-1988--Correspondence.
Ratjen, Ursula, 1917-1988--Correspondence.
Ratjen, Wolfgang--Correspondence.