Columbia subject headings:
Harvard subject headings:
Agricultural economists--Italy--Congresses.
Italy, Southern--Economic conditions--1945---Congresses.
Italy, Southern--Social conditions--1945---Congresses.
Rossi-Doria, Manlio, 1905---Congresses.
Princeton subject headings:
Agriculture--Economic aspects--Italy, Southern--Congresses.
Italy, Southern--Economic conditions--Congresses.
Italy, Southern--Politics and government--1945---Congresses.