Columbia subject headings:
Croce, Benedetto, 1866-1952--Correspondence.
Einaudi, Luigi, 1874-1961--Correspondence.
Intellectuals--Italy--Correspondence.
Harvard subject headings:
Croce, Benedetto, 1866-1952. Correspondence
Economists--Italy--Correspondence.
Einaudi, Luigi, 1874-1961--Correspondence.
Philosophers--Italy--Correspondence
Princeton subject headings:
Croce, Benedetto, 1866-1952. Correspondence.
Einaudi, Luigi, 1874-1961--Correspondence.
Intellectuals--Italy--Correspondence.