Columbia subject headings:
Buonaiuti, Ernesto, 1881-1946--Correspondence.
Jemolo, Arturo Carlo, 1891-1981--Correspondence.
Harvard subject headings:
Buonaiuti, Ernesto, 1881-1946--Correspondence.
Jemolo, Arturo Carlo, 1891-1981--Correspondence.
Princeton subject headings: