Columbia subject headings:
Harvard subject headings:
Moro, Aldo, 1916-1978--Correspondence.
Nenni, Pietro, 1891---Correspondence.
Princeton subject headings:
Italy--Politics and government--1945-1976--Sources.
Italy--Politics and government--1976-1994--Sources.
Moro, Aldo, 1916-1978--Correspondence.
Nenni, Pietro, 1891-1980--Correspondence.
Statesmen--Italy--Correspondence.