Columbia subject headings:
Authors, German--20th century--Correspondence.
Hiller, Kurt, 1885-1972--Correspondence.
Mann, Klaus, 1906-1949--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Hiller, Kurt, 1885-1972--Correspondence.
Mann, Klaus, 1906-1949. Correspondence.
Princeton subject headings:
Authors, German--Correspondence.
Exiles--Germany--Correspondence.
Hiller, Kurt, 1885-1972--Correspondence.
Mann, Klaus, 1906-1949. Correspondence.