Columbia subject headings:
Curtius, Ernst Robert, 1886-1956--Correspondence.
Rychner, Max, 1897-1965--Correspondence.
Harvard subject headings:
Critics--Germany--Correspondence.
Critics--Switzerland--Correspondence.
Curtius, Ernst Robert, 1886-1956--Correspondence.
Literature--History and criticism
Romanicists--Germany--Correspondence.
Rychner, Max, 1897-1965--Correspondence.
Princeton subject headings:
Critics--Germany--Correspondence.
Critics--Switzerland--Correspondence.
Curtius, Ernst Robert, 1886-1956--Correspondence.
Literature--History and criticism.
Romanicists--Germany--Correspondence.
Rychner, Max, 1897-1965--Correspondence.