Columbia subject headings:
Claudel, Paul, 1868-1955--Correspondence.
Rolland, Romain, 1866-1944--Correspondence.
Harvard subject headings:
Claudel, Paul, 1968-1955. Correspondence. Selections.
Rolland, Romain, 1966-1944. Correspondence. Selections.
Princeton subject headings:
Claudel, Paul, 1868-1955. Correspondence.
Literature--Correspondence--20th century--History and criticism.
Rolland, Romain, 1866-1944--Correspondence.