Columbia subject headings:
Authors, German--20th century--Correspondence.
Benn, Gottfried, 1886-1956--Correspondence.
Critics--Germany--Correspondence.
Political refugees--Germany--Correspondence.
Political refugees--United States--Correspondence.
Reiss, Erich, 1887-1951--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Benn, Gottfried, 1886-1956--Correspondence
Critics--Germany--Correspondence.
Political refugees--Germany--Correspondence.
Political refugees--United States--Correspondence.
Reiss, Erich, 1887-1951--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Benn, Gottfried, 1886-1956. Correspondence.
Critics--Germany--Correspondence.
Jewish refugees--United States--Correspondence.
Political refugees--United States--Correspondence.
Reiss, Erich, 1887-1951--Correspondence.